1113075918 has 40 divisors (see below), whose sum is σ = 2640833712. Its totient is φ = 349199424.

The previous prime is 1113075911. The next prime is 1113075923. The reversal of 1113075918 is 8195703111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113075911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199330 + ... + 204837.

Almost surely, 2^1113075918 is an apocalyptic number.

1113075918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1113075918 is an abundant number, since it is smaller than the sum of its proper divisors (1527757794).

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

1113075918 is a wasteful number, since it uses less digits than its factorization.

1113075918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404198 (or 404189 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The square root of 1113075918 is about 33362.7924191007. The cubic root of 1113075918 is about 1036.3543203267.

The spelling of 1113075918 in words is "one billion, one hundred thirteen million, seventy-five thousand, nine hundred eighteen".