1113555204 has 36 divisors (see below), whose sum is σ = 2815997184. Its totient is φ = 371029872.

The previous prime is 1113555187. The next prime is 1113555221. The reversal of 1113555204 is 4025553111.

1113555204 is a `hidden beast` number, since 1 + 1 + 135 + 5 + 520 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1113555187) and next prime (1113555221).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109129 + ... + 118895.

It is an arithmetic number, because the mean of its divisors is an integer number (78222144).

Almost surely, 2^1113555204 is an apocalyptic number.

It is an amenable number.

1113555204 is an abundant number, since it is smaller than the sum of its proper divisors (1702441980).

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

1113555204 is a wasteful number, since it uses less digits than its factorization.

1113555204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12944 (or 12939 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1113555204 is about 33369.9745879436. The cubic root of 1113555204 is about 1036.5030489780.

The spelling of 1113555204 in words is "one billion, one hundred thirteen million, five hundred fifty-five thousand, two hundred four".