11992475528 has 24 divisors (see below), whose sum is σ = 24715899390. Its totient is φ = 5451124800.

The previous prime is 11992475513. The next prime is 11992475543. The reversal of 11992475528 is 82557429911.

11992475528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11992475513) and next prime (11992475543).

It can be written as a sum of positive squares in only one way, i.e., 10015606084 + 1976869444 = 100078^2 + 44462^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11992475528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6193493 + ... + 6195428.

Almost surely, 2^11992475528 is an apocalyptic number.

It is an amenable number.

11992475528 is an abundant number, since it is smaller than the sum of its proper divisors (12723423862).

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

11992475528 is a wasteful number, since it uses less digits than its factorization.

11992475528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388949 (or 12388934 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 53.

The spelling of 11992475528 in words is "eleven billion, nine hundred ninety-two million, four hundred seventy-five thousand, five hundred twenty-eight".