1118875563 has 12 divisors (see below), whose sum is σ = 1740473280. Its totient is φ = 688538736.

The previous prime is 1118875547. The next prime is 1118875613. The reversal of 1118875563 is 3655788111.

1118875563 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 87 + 5 + 563 = 666.

It is not a de Polignac number, because 1118875563 - 2⁴ = 1118875547 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1118875063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4781403 + ... + 4781636.

It is an arithmetic number, because the mean of its divisors is an integer number (145039440).

Almost surely, 2^1118875563 is an apocalyptic number.

1118875563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1118875563 is a deficient number, since it is larger than the sum of its proper divisors (621597717).

1118875563 is a wasteful number, since it uses less digits than its factorization.

1118875563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563058 (or 9563055 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 1118875563 is about 33449.5973518367. The cubic root of 1118875563 is about 1038.1511663523.

The spelling of 1118875563 in words is "one billion, one hundred eighteen million, eight hundred seventy-five thousand, five hundred sixty-three".