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115513112425131 = 3313782213798589
BaseRepresentation
bin11010010000111011111110…
…000010000111001010101011
3120010222221112102012211112000
4122100323332002013022223
5110120031323240101011
61045401554040222043
733221355416111151
oct3220737602071253
9503887472184460
10115513112425131
11338959215a8233
1210b5726b76a923
134c5babbc59315
142074c1617d3d1
15d54b63cc5356
hex690efe0872ab

115513112425131 has 32 divisors (see below), whose sum is σ = 172400678529600. Its totient is φ = 76437314945280.

The previous prime is 115513112425099. The next prime is 115513112425153. The reversal of 115513112425131 is 131524211315511.

115513112425131 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 13 + 1 + 124 + 2 + 513 + 1 = 666.

It is not a de Polignac number, because 115513112425131 - 25 = 115513112425099 is a prime.

It is a super-2 number, since 2×1155131124251312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115513112425231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28510185 + ... + 32308773.

It is an arithmetic number, because the mean of its divisors is an integer number (5387521204050).

Almost surely, 2115513112425131 is an apocalyptic number.

115513112425131 is a deficient number, since it is larger than the sum of its proper divisors (56887566104469).

115513112425131 is a wasteful number, since it uses less digits than its factorization.

115513112425131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806956 (or 3806950 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

The spelling of 115513112425131 in words is "one hundred fifteen trillion, five hundred thirteen billion, one hundred twelve million, four hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 9 27 137 411 1233 3699 8221 24663 73989 221967 1126277 3378831 3798589 10136493 11395767 30409479 34187301 102561903 520406693 1561220079 4683660237 14050980711 31228200169 93684600507 281053801521 843161404563 4278263423153 12834790269459 38504370808377 115513112425131