11160556618 has 16 divisors (see below), whose sum is σ = 17153232264. Its totient is φ = 5442877440.

The previous prime is 11160556609. The next prime is 11160556633. The reversal of 11160556618 is 81665506111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5774024169 + 5386532449 = 75987^2 + 73393^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392746 + ... + 420202.

Almost surely, 2^11160556618 is an apocalyptic number.

11160556618 is a deficient number, since it is larger than the sum of its proper divisors (5992675646).

11160556618 is a wasteful number, since it uses less digits than its factorization.

11160556618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32457.

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 11160556618 in words is "eleven billion, one hundred sixty million, five hundred fifty-six thousand, six hundred eighteen".