113557409280 has 240 divisors, whose sum is σ = 449464919904. Its totient is φ = 25955942400.

The previous prime is 113557409279. The next prime is 113557409297. The reversal of 113557409280 is 82904755311.

113557409280 is a `hidden beast` number, since 1 + 1 + 3 + 557 + 4 + 0 + 92 + 8 + 0 = 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190771 + ... + 513330.

Almost surely, 2^113557409280 is an apocalyptic number.

113557409280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113557409280 is an abundant number, since it is smaller than the sum of its proper divisors (335907510624).

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

113557409280 is an equidigital number, since it uses as much as digits as its factorization.

113557409280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704137 (or 704118 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 113557409280 in words is "one hundred thirteen billion, five hundred fifty-seven million, four hundred nine thousand, two hundred eighty".