11118645774 has 12 divisors (see below), whose sum is σ = 24090399216. Its totient is φ = 3706215252.

The previous prime is 11118645767. The next prime is 11118645781. The reversal of 11118645774 is 47754681111.

11118645774 is a `hidden beast` number, since 1 + 1 + 1 + 18 + 64 + 577 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11118645767) and next prime (11118645781).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308851254 + ... + 308851289.

It is an arithmetic number, because the mean of its divisors is an integer number (2007533268).

Almost surely, 2^11118645774 is an apocalyptic number.

11118645774 is an abundant number, since it is smaller than the sum of its proper divisors (12971753442).

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

11118645774 is a wasteful number, since it uses less digits than its factorization.

11118645774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617702551 (or 617702548 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The spelling of 11118645774 in words is "eleven billion, one hundred eighteen million, six hundred forty-five thousand, seven hundred seventy-four".