115656273720 has 192 divisors, whose sum is σ = 422397218880. Its totient is φ = 27231418368.

The previous prime is 115656273713. The next prime is 115656273731. The reversal of 115656273720 is 27372656511.

It is a happy number.

115656273720 is a `hidden beast` number, since 1 + 1 + 56 + 562 + 7 + 37 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 429597 + ... + 644876.

It is an arithmetic number, because the mean of its divisors is an integer number (2199985515).

Almost surely, 2^115656273720 is an apocalyptic number.

115656273720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115656273720 is an abundant number, since it is smaller than the sum of its proper divisors (306740945160).

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

115656273720 is a wasteful number, since it uses less digits than its factorization.

115656273720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074526 (or 1074519 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

It can be divided in two parts, 115656 and 273720, that added together give a square (389376 = 624²).

The spelling of 115656273720 in words is "one hundred fifteen billion, six hundred fifty-six million, two hundred seventy-three thousand, seven hundred twenty".