115717505760 has 144 divisors (see below), whose sum is σ = 415669559760. Its totient is φ = 29233889280.

The previous prime is 115717505759. The next prime is 115717505803. The reversal of 115717505760 is 67505717511.

115717505760 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 1 + 75 + 0 + 576 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×115717505760² (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 23 ways as a sum of consecutive naturals, for example, 2087361 + ... + 2142080.

It is an arithmetic number, because the mean of its divisors is an integer number (2886594165).

Almost surely, 2^115717505760 is an apocalyptic number.

115717505760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115717505760 is an abundant number, since it is smaller than the sum of its proper divisors (299952054000).

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

115717505760 is a wasteful number, since it uses less digits than its factorization.

115717505760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229481 (or 4229470 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 45.

The spelling of 115717505760 in words is "one hundred fifteen billion, seven hundred seventeen million, five hundred five thousand, seven hundred sixty".