115198167780 has 72 divisors (see below), whose sum is σ = 349473126912. Its totient is φ = 30716110656.

The previous prime is 115198167779. The next prime is 115198167811. The reversal of 115198167780 is 87761891511.

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 23 ways as a sum of consecutive naturals, for example, 1882749 + ... + 1942971.

Almost surely, 2^115198167780 is an apocalyptic number.

115198167780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115198167780 is an abundant number, since it is smaller than the sum of its proper divisors (234274959132).

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

115198167780 is a wasteful number, since it uses less digits than its factorization.

115198167780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70865 (or 70860 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 54.

The spelling of 115198167780 in words is "one hundred fifteen billion, one hundred ninety-eight million, one hundred sixty-seven thousand, seven hundred eighty".