115911416890 has 64 divisors (see below), whose sum is σ = 218282428800. Its totient is φ = 44259860736.

The previous prime is 115911416843. The next prime is 115911416911. The reversal of 115911416890 is 98614119511.

It is a self number, because there is not a number n which added to its sum of digits gives 115911416890.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16969996 + ... + 16976824.

It is an arithmetic number, because the mean of its divisors is an integer number (3410662950).

Almost surely, 2^115911416890 is an apocalyptic number.

115911416890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115911416890 is a deficient number, since it is larger than the sum of its proper divisors (102371011910).

115911416890 is a wasteful number, since it uses less digits than its factorization.

115911416890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519.

The product of its (nonzero) digits is 77760, while the sum is 46.

The spelling of 115911416890 in words is "one hundred fifteen billion, nine hundred eleven million, four hundred sixteen thousand, eight hundred ninety".