115215110012 has 24 divisors (see below), whose sum is σ = 215307442560. Its totient is φ = 53826857280.

The previous prime is 115215110011. The next prime is 115215110027. The reversal of 115215110012 is 210011512511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115215110011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16016303 + ... + 16023494.

It is an arithmetic number, because the mean of its divisors is an integer number (8971143440).

Almost surely, 2^115215110012 is an apocalyptic number.

It is an amenable number.

115215110012 is a deficient number, since it is larger than the sum of its proper divisors (100092332548).

115215110012 is a wasteful number, since it uses less digits than its factorization.

115215110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32039861 (or 32039859 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 20.

Adding to 115215110012 its reverse (210011512511), we get a palindrome (325226622523).

The spelling of 115215110012 in words is "one hundred fifteen billion, two hundred fifteen million, one hundred ten thousand, twelve".