115685197242 has 16 divisors (see below), whose sum is σ = 231418484352. Its totient is φ = 38553717440.

The previous prime is 115685197219. The next prime is 115685197259. The reversal of 115685197242 is 242791586511.

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 7 ways as a sum of consecutive naturals, for example, 1972434 + ... + 2030237.

It is an arithmetic number, because the mean of its divisors is an integer number (14463655272).

Almost surely, 2^115685197242 is an apocalyptic number.

115685197242 is an abundant number, since it is smaller than the sum of its proper divisors (115733287110).

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

115685197242 is a wasteful number, since it uses less digits than its factorization.

115685197242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007493.

The product of its digits is 1209600, while the sum is 51.

The spelling of 115685197242 in words is "one hundred fifteen billion, six hundred eighty-five million, one hundred ninety-seven thousand, two hundred forty-two".