115242311972 has 12 divisors (see below), whose sum is σ = 201682257420. Its totient is φ = 57618809856.

The previous prime is 115242311917. The next prime is 115242312023. The reversal of 115242311972 is 279113242511.

It can be written as a sum of positive squares in 2 ways, for example, as 56418600676 + 58823711296 = 237526^2 + 242536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473597 + ... + 674372.

It is an arithmetic number, because the mean of its divisors is an integer number (16806854785).

Almost surely, 2^115242311972 is an apocalyptic number.

It is an amenable number.

115242311972 is a deficient number, since it is larger than the sum of its proper divisors (86439945448).

115242311972 is a wasteful number, since it uses less digits than its factorization.

115242311972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173070 (or 1173068 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The spelling of 115242311972 in words is "one hundred fifteen billion, two hundred forty-two million, three hundred eleven thousand, nine hundred seventy-two".