115011054990 has 192 divisors, whose sum is σ = 324684360000. Its totient is φ = 28078202880.

The previous prime is 115011054929. The next prime is 115011055001. The reversal of 115011054990 is 99450110511.

115011054990 is a `hidden beast` number, since 1 + 1 + 50 + 110 + 5 + 499 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 92081886 + ... + 92083134.

It is an arithmetic number, because the mean of its divisors is an integer number (1691064375).

Almost surely, 2^115011054990 is an apocalyptic number.

115011054990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115011054990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162342180000).

115011054990 is an abundant number, since it is smaller than the sum of its proper divisors (209673305010).

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

115011054990 is a wasteful number, since it uses less digits than its factorization.

115011054990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

The spelling of 115011054990 in words is "one hundred fifteen billion, eleven million, fifty-four thousand, nine hundred ninety".