11992554272 has 24 divisors (see below), whose sum is σ = 23760735516. Its totient is φ = 5958081792.

The previous prime is 11992554257. The next prime is 11992554281. The reversal of 11992554272 is 27245529911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11561410576 + 431143696 = 107524^2 + 20764^2 .

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, 1188503 + ... + 1198550.

Almost surely, 2^11992554272 is an apocalyptic number.

It is an amenable number.

11992554272 is a deficient number, since it is larger than the sum of its proper divisors (11768181244).

11992554272 is a wasteful number, since it uses less digits than its factorization.

11992554272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387220 (or 2387212 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The spelling of 11992554272 in words is "eleven billion, nine hundred ninety-two million, five hundred fifty-four thousand, two hundred seventy-two".