115656120102 has 32 divisors (see below), whose sum is σ = 233636941440. Its totient is φ = 38166163200.

The previous prime is 115656120091. The next prime is 115656120119. The reversal of 115656120102 is 201021656511.

It is a self number, because there is not a number n which added to its sum of digits gives 115656120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97977 + ... + 490827.

It is an arithmetic number, because the mean of its divisors is an integer number (7301154420).

Almost surely, 2^115656120102 is an apocalyptic number.

115656120102 is an abundant number, since it is smaller than the sum of its proper divisors (117980821338).

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

115656120102 is a wasteful number, since it uses less digits than its factorization.

115656120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393348.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 115656120102 its reverse (201021656511), we get a palindrome (316677776613).

The spelling of 115656120102 in words is "one hundred fifteen billion, six hundred fifty-six million, one hundred twenty thousand, one hundred two".