11640722152 has 16 divisors (see below), whose sum is σ = 21827850660. Its totient is φ = 5819961984.

The previous prime is 11640722147. The next prime is 11640722183. The reversal of 11640722152 is 25122704611.

It can be written as a sum of positive squares in 2 ways, for example, as 11330750916 + 309971236 = 106446^2 + 17606^2 .

It is a super-2 number, since 2×11640722152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100878 + ... + 182914.

Almost surely, 2^11640722152 is an apocalyptic number.

It is an amenable number.

11640722152 is a deficient number, since it is larger than the sum of its proper divisors (10187128508).

11640722152 is a wasteful number, since it uses less digits than its factorization.

11640722152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99780 (or 99776 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 11640722152 in words is "eleven billion, six hundred forty million, seven hundred twenty-two thousand, one hundred fifty-two".