113505557 has 8 divisors (see below), whose sum is σ = 125923680. Its totient is φ = 101437360.

The previous prime is 113505523. The next prime is 113505559. The reversal of 113505557 is 755505311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113505557 - 2¹⁸ = 113243413 is a prime.

It is a super-2 number, since 2×113505557² = 25767022939760498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113505559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86798 + ... + 88095.

It is an arithmetic number, because the mean of its divisors is an integer number (15740460).

Almost surely, 2^113505557 is an apocalyptic number.

It is an amenable number.

113505557 is a deficient number, since it is larger than the sum of its proper divisors (12418123).

113505557 is a wasteful number, since it uses less digits than its factorization.

113505557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174963.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 113505557 is about 10653.8986760716. The cubic root of 113505557 is about 484.1787312603.

The spelling of 113505557 in words is "one hundred thirteen million, five hundred five thousand, five hundred fifty-seven".