115512420735 has 32 divisors (see below), whose sum is σ = 205457112000. Its totient is φ = 61576115328.

The previous prime is 115512420719. The next prime is 115512420763. The reversal of 115512420735 is 537024215511.

115512420735 is a `hidden beast` number, since 1 + 155 + 12 + 420 + 73 + 5 = 666.

It is not a de Polignac number, because 115512420735 - 2⁴ = 115512420719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115512420735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63061 + ... + 484769.

It is an arithmetic number, because the mean of its divisors is an integer number (6420534750).

Almost surely, 2^115512420735 is an apocalyptic number.

115512420735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115512420735 is a deficient number, since it is larger than the sum of its proper divisors (89944691265).

115512420735 is a wasteful number, since it uses less digits than its factorization.

115512420735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423752 (or 423746 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 115512420735 in words is "one hundred fifteen billion, five hundred twelve million, four hundred twenty thousand, seven hundred thirty-five".