113277611520 has 240 divisors, whose sum is σ = 393021197712. Its totient is φ = 30152785920.

The previous prime is 113277611471. The next prime is 113277611533. The reversal of 113277611520 is 25116772311.

113277611520 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 77 + 61 + 1 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 13658575 + ... + 13666865.

Almost surely, 2^113277611520 is an apocalyptic number.

113277611520 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 113277611520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196510598856).

113277611520 is an abundant number, since it is smaller than the sum of its proper divisors (279743586192).

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

113277611520 is an equidigital number, since it uses as much as digits as its factorization.

113277611520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913 (or 8894 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 113277611520 in words is "one hundred thirteen billion, two hundred seventy-seven million, six hundred eleven thousand, five hundred twenty".