115620057102 has 24 divisors (see below), whose sum is σ = 254173019688. Its totient is φ = 35036380720.

The previous prime is 115620057089. The next prime is 115620057131. The reversal of 115620057102 is 201750026511.

It is a self number, because there is not a number n which added to its sum of digits gives 115620057102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79627413 + ... + 79628864.

It is an arithmetic number, because the mean of its divisors is an integer number (10590542487).

Almost surely, 2^115620057102 is an apocalyptic number.

115620057102 is an abundant number, since it is smaller than the sum of its proper divisors (138552962586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115620057102 is a wasteful number, since it uses less digits than its factorization.

115620057102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159256304 (or 159256293 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 115620057102 in words is "one hundred fifteen billion, six hundred twenty million, fifty-seven thousand, one hundred two".