11457777272 has 48 divisors (see below), whose sum is σ = 22851521160. Its totient is φ = 5381728128.

The previous prime is 11457777223. The next prime is 11457777293. The reversal of 11457777272 is 27277775411.

It is a self number, because there is not a number n which added to its sum of digits gives 11457777272.

It is a congruent 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, 225923 + ... + 271949.

Almost surely, 2^11457777272 is an apocalyptic number.

It is an amenable number.

11457777272 is a deficient number, since it is larger than the sum of its proper divisors (11393743888).

11457777272 is a wasteful number, since it uses less digits than its factorization.

11457777272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46128 (or 46095 counting only the distinct ones).

The product of its digits is 1344560, while the sum is 50.

The spelling of 11457777272 in words is "eleven billion, four hundred fifty-seven million, seven hundred seventy-seven thousand, two hundred seventy-two".