115100390428128 has 384 divisors, whose sum is σ = 400441348823040. Its totient is φ = 31478375485440.

The previous prime is 115100390428109. The next prime is 115100390428159. The reversal of 115100390428128 is 821824093001511.

115100390428128 is a `hidden beast` number, since 1 + 1 + 5 + 10 + 0 + 3 + 90 + 428 + 128 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8763301 + ... + 17521307.

It is an arithmetic number, because the mean of its divisors is an integer number (1042816012560).

Almost surely, 2^{115100390428128} is an apocalyptic number.

115100390428128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115100390428128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200220674411520).

115100390428128 is an abundant number, since it is smaller than the sum of its proper divisors (285340958394912).

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

115100390428128 is a wasteful number, since it uses less digits than its factorization.

115100390428128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758127 (or 8758113 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 115100390428128 in words is "one hundred fifteen trillion, one hundred billion, three hundred ninety million, four hundred twenty-eight thousand, one hundred twenty-eight".