115511050256601 has 32 divisors (see below), whose sum is σ = 163284905621376. Its totient is φ = 72383984640000.

The previous prime is 115511050256599. The next prime is 115511050256629. The reversal of 115511050256601 is 106652050115511.

It is not a de Polignac number, because 115511050256601 - 2¹ = 115511050256599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115511050256601.

It is not an unprimeable number, because it can be changed into a prime (115511050251601) 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, 818918641 + ... + 819059681.

It is an arithmetic number, because the mean of its divisors is an integer number (5102653300668).

Almost surely, 2^{115511050256601} is an apocalyptic number.

It is an amenable number.

115511050256601 is a deficient number, since it is larger than the sum of its proper divisors (47773855364775).

115511050256601 is a wasteful number, since it uses less digits than its factorization.

115511050256601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161673.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 115511050256601 in words is "one hundred fifteen trillion, five hundred eleven billion, fifty million, two hundred fifty-six thousand, six hundred one".