11277973292 has 12 divisors (see below), whose sum is σ = 19737396840. Its totient is φ = 5638717056.

The previous prime is 11277973283. The next prime is 11277973319. The reversal of 11277973292 is 29237977211.

It is a self number, because there is not a number n which added to its sum of digits gives 11277973292.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49103 + ... + 158009.

It is an arithmetic number, because the mean of its divisors is an integer number (1644783070).

Almost surely, 2^11277973292 is an apocalyptic number.

It is an amenable number.

11277973292 is a deficient number, since it is larger than the sum of its proper divisors (8459423548).

11277973292 is a wasteful number, since it uses less digits than its factorization.

11277973292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134800 (or 134798 counting only the distinct ones).

The product of its digits is 666792, while the sum is 50.

The spelling of 11277973292 in words is "eleven billion, two hundred seventy-seven million, nine hundred seventy-three thousand, two hundred ninety-two".