115215343124 has 12 divisors (see below), whose sum is σ = 230430686304. Its totient is φ = 49378004184.

The previous prime is 115215343123. The next prime is 115215343183. The reversal of 115215343124 is 421343512511.

115215343124 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115215343121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057416814 + ... + 2057416869.

It is an arithmetic number, because the mean of its divisors is an integer number (19202557192).

Almost surely, 2^115215343124 is an apocalyptic number.

115215343124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

115215343124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115215343124 is a wasteful number, since it uses less digits than its factorization.

115215343124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114833694 (or 4114833692 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 115215343124 its reverse (421343512511), we get a palindrome (536558855635).

The spelling of 115215343124 in words is "one hundred fifteen billion, two hundred fifteen million, three hundred forty-three thousand, one hundred twenty-four".