115051665090 has 32 divisors (see below), whose sum is σ = 276171610176. Its totient is φ = 30675153600.

The previous prime is 115051665073. The next prime is 115051665133. The reversal of 115051665090 is 90566150511.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152197 + ... + 503256.

It is an arithmetic number, because the mean of its divisors is an integer number (8630362818).

Almost surely, 2^115051665090 is an apocalyptic number.

115051665090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115051665090 is an abundant number, since it is smaller than the sum of its proper divisors (161119945086).

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

115051665090 is a wasteful number, since it uses less digits than its factorization.

115051665090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661314.

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 115051665090 in words is "one hundred fifteen billion, fifty-one million, six hundred sixty-five thousand, ninety".