115236434880 has 1344 divisors, whose sum is σ = 503028264960. Its totient is φ = 23625105408.

The previous prime is 115236434879. The next prime is 115236434897. The reversal of 115236434880 is 88434632511.

115236434880 is a `hidden beast` number, since 1 + 1 + 523 + 6 + 4 + 3 + 48 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×115236434880² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 666106474 + ... + 666106646.

Almost surely, 2^115236434880 is an apocalyptic number.

115236434880 is a gapful number since it is divisible by the number (10) 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 115236434880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251514132480).

115236434880 is an abundant number, since it is smaller than the sum of its proper divisors (387791830080).

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

115236434880 is a wasteful number, since it uses less digits than its factorization.

115236434880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 115236434880 in words is "one hundred fifteen billion, two hundred thirty-six million, four hundred thirty-four thousand, eight hundred eighty".