113555799 has 36 divisors (see below), whose sum is σ = 197882256. Its totient is φ = 61461504.

The previous prime is 113555791. The next prime is 113555879. The reversal of 113555799 is 997555311.

113555799 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 557 + 99 = 666.

It is not a de Polignac number, because 113555799 - 2³ = 113555791 is a prime.

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 plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113555791) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20247 + ... + 25239.

Almost surely, 2^113555799 is an apocalyptic number.

113555799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113555799 is a deficient number, since it is larger than the sum of its proper divisors (84326457).

113555799 is a wasteful number, since it uses less digits than its factorization.

113555799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5022 counting only the distinct ones).

The product of its digits is 212625, while the sum is 45.

The square root of 113555799 is about 10656.2563313764. The cubic root of 113555799 is about 484.2501595384.

The spelling of 113555799 in words is "one hundred thirteen million, five hundred fifty-five thousand, seven hundred ninety-nine".