1118418552 has 24 divisors (see below), whose sum is σ = 3029050440. Its totient is φ = 372806160.

The previous prime is 1118418529. The next prime is 1118418557. The reversal of 1118418552 is 2558148111.

1118418552 is a `hidden beast` number, since 1 + 11 + 84 + 18 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118418557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7766724 + ... + 7766867.

It is an arithmetic number, because the mean of its divisors is an integer number (126210435).

Almost surely, 2^1118418552 is an apocalyptic number.

1118418552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118418552 is an abundant number, since it is smaller than the sum of its proper divisors (1910631888).

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

1118418552 is a wasteful number, since it uses less digits than its factorization.

1118418552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533603 (or 15533596 counting only the distinct ones).

The product of its digits is 12800, while the sum is 36.

The square root of 1118418552 is about 33442.7653162833. The cubic root of 1118418552 is about 1038.0098008809.

The spelling of 1118418552 in words is "one billion, one hundred eighteen million, four hundred eighteen thousand, five hundred fifty-two".