113556501 has 12 divisors (see below), whose sum is σ = 164525920. Its totient is φ = 75473640.

The previous prime is 113556479. The next prime is 113556517. The reversal of 113556501 is 105655311.

113556501 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 5 + 650 + 1 = 666.

It is not a de Polignac number, because 113556501 - 2⁶ = 113556437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113556301) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16081 + ... + 22038.

Almost surely, 2^113556501 is an apocalyptic number.

It is an amenable number.

113556501 is a deficient number, since it is larger than the sum of its proper divisors (50969419).

113556501 is a wasteful number, since it uses less digits than its factorization.

113556501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38456 (or 38453 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 113556501 is about 10656.2892697224. The cubic root of 113556501 is about 484.2511574117.

The spelling of 113556501 in words is "one hundred thirteen million, five hundred fifty-six thousand, five hundred one".