115105085122 has 16 divisors (see below), whose sum is σ = 180737478144. Its totient is φ = 54911556000.

The previous prime is 115105085099. The next prime is 115105085189. The reversal of 115105085122 is 221580501511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13069779 + ... + 13078582.

It is an arithmetic number, because the mean of its divisors is an integer number (11296092384).

Almost surely, 2^115105085122 is an apocalyptic number.

115105085122 is a deficient number, since it is larger than the sum of its proper divisors (65632393022).

115105085122 is a wasteful number, since it uses less digits than its factorization.

115105085122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26148465.

The product of its (nonzero) digits is 4000, while the sum is 31.

Adding to 115105085122 its reverse (221580501511), we get a palindrome (336685586633).

The spelling of 115105085122 in words is "one hundred fifteen billion, one hundred five million, eighty-five thousand, one hundred twenty-two".