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115552041231 = 31131577195761
BaseRepresentation
bin110101110011101110…
…0000011100100001111
3102001021000112220010210
41223213130003210033
53343122310304411
6125030041133503
711230326100404
oct1534734034417
9361230486123
10115552041231
1145007129940
121a48a18a293
13ab868320c3
1458427062ab
153014746ca6
hex1ae770390f

115552041231 has 32 divisors (see below), whose sum is σ = 173799069696. Its totient is φ = 67654656000.

The previous prime is 115552041223. The next prime is 115552041271. The reversal of 115552041231 is 132140255511.

It is not a de Polignac number, because 115552041231 - 23 = 115552041223 is a prime.

It is a super-2 number, since 2×1155520412312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115552041221) 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, 492391 + ... + 688151.

It is an arithmetic number, because the mean of its divisors is an integer number (5431220928).

Almost surely, 2115552041231 is an apocalyptic number.

115552041231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115552041231 is a deficient number, since it is larger than the sum of its proper divisors (58247028465).

115552041231 is a wasteful number, since it uses less digits than its factorization.

115552041231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196383.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 115552041231 its reverse (132140255511), we get a palindrome (247692296742).

The spelling of 115552041231 in words is "one hundred fifteen billion, five hundred fifty-two million, forty-one thousand, two hundred thirty-one".

Divisors: 1 3 11 31 33 93 341 577 1023 1731 6347 17887 19041 53661 195761 196757 587283 590271 2153371 6068591 6460113 18205773 66754501 112954097 200263503 338862291 1242495067 3501577007 3727485201 10504731021 38517347077 115552041231