11177840772 has 36 divisors (see below), whose sum is σ = 32291540736. Its totient is φ = 3193668720.

The previous prime is 11177840761. The next prime is 11177840789. The reversal of 11177840772 is 27704877111.

11177840772 is a `hidden beast` number, since 1 + 1 + 177 + 8 + 407 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 22178004 + ... + 22178507.

Almost surely, 2^11177840772 is an apocalyptic number.

11177840772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11177840772 is an abundant number, since it is smaller than the sum of its proper divisors (21113699964).

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

11177840772 is a wasteful number, since it uses less digits than its factorization.

11177840772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44356528 (or 44356523 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 45.

The spelling of 11177840772 in words is "eleven billion, one hundred seventy-seven million, eight hundred forty thousand, seven hundred seventy-two".