115016581918 has 48 divisors (see below), whose sum is σ = 204868528128. Its totient is φ = 48276270000.

The previous prime is 115016581859. The next prime is 115016581921. The reversal of 115016581918 is 819185610511.

It is a super-2 number, since 2×115016581918² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 995923 + ... + 1105393.

It is an arithmetic number, because the mean of its divisors is an integer number (4268094336).

Almost surely, 2^115016581918 is an apocalyptic number.

115016581918 is a deficient number, since it is larger than the sum of its proper divisors (89851946210).

115016581918 is a wasteful number, since it uses less digits than its factorization.

115016581918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109709 (or 109702 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 46.

The spelling of 115016581918 in words is "one hundred fifteen billion, sixteen million, five hundred eighty-one thousand, nine hundred eighteen".