1118838475 has 12 divisors (see below), whose sum is σ = 1391888344. Its totient is φ = 892149120.

The previous prime is 1118838443. The next prime is 1118838481. The reversal of 1118838475 is 5748388111.

It is not a de Polignac number, because 1118838475 - 2⁵ = 1118838443 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65214 + ... + 80563.

Almost surely, 2^1118838475 is an apocalyptic number.

1118838475 is a deficient number, since it is larger than the sum of its proper divisors (273049869).

1118838475 is a wasteful number, since it uses less digits than its factorization.

1118838475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146094 (or 146089 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 1118838475 is about 33449.0429608980. The cubic root of 1118838475 is about 1038.1396954979.

The spelling of 1118838475 in words is "one billion, one hundred eighteen million, eight hundred thirty-eight thousand, four hundred seventy-five".