115765717140 has 72 divisors (see below), whose sum is σ = 359322451488. Its totient is φ = 30152928960.

The previous prime is 115765717079. The next prime is 115765717159. The reversal of 115765717140 is 41717567511.

115765717140 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 6 + 571 + 71 + 4 + 0 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7470666 + ... + 7486145.

It is an arithmetic number, because the mean of its divisors is an integer number (4990589604).

Almost surely, 2^115765717140 is an apocalyptic number.

115765717140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115765717140 is an abundant number, since it is smaller than the sum of its proper divisors (243556734348).

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

115765717140 is a wasteful number, since it uses less digits than its factorization.

115765717140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14956869 (or 14956864 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 45.

The spelling of 115765717140 in words is "one hundred fifteen billion, seven hundred sixty-five million, seven hundred seventeen thousand, one hundred forty".