11457777292 has 12 divisors (see below), whose sum is σ = 21593503456. Its totient is φ = 5288204880.

The previous prime is 11457777223. The next prime is 11457777293. The reversal of 11457777292 is 29277775411.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 220341871 = 11457777292 / (1 + 1 + 4 + 5 + 7 + 7 + 7 + 7 + 2 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (11457777293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110170884 + ... + 110170987.

Almost surely, 2^11457777292 is an apocalyptic number.

It is an amenable number.

11457777292 is a deficient number, since it is larger than the sum of its proper divisors (10135726164).

11457777292 is a wasteful number, since it uses less digits than its factorization.

11457777292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220341888 (or 220341886 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 52.

The spelling of 11457777292 in words is "eleven billion, four hundred fifty-seven million, seven hundred seventy-seven thousand, two hundred ninety-two".