11668752272 has 20 divisors (see below), whose sum is σ = 23387801820. Its totient is φ = 5633190528.

The previous prime is 11668752239. The next prime is 11668752331. The reversal of 11668752272 is 27225786611.

It can be written as a sum of positive squares in 2 ways, for example, as 7144306576 + 4524445696 = 84524^2 + 67264^2 .

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, 12573623 + ... + 12574550.

It is an arithmetic number, because the mean of its divisors is an integer number (1169390091).

Almost surely, 2^11668752272 is an apocalyptic number.

It is an amenable number.

11668752272 is an abundant number, since it is smaller than the sum of its proper divisors (11719049548).

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

11668752272 is a wasteful number, since it uses less digits than its factorization.

11668752272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148210 (or 25148204 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 11668752272 in words is "eleven billion, six hundred sixty-eight million, seven hundred fifty-two thousand, two hundred seventy-two".