11920504900 has 18 divisors (see below), whose sum is σ = 25867495850. Its totient is φ = 4768201920.

The previous prime is 11920504877. The next prime is 11920504919. The reversal of 11920504900 is 940502911.

It can be written as a sum of positive squares in 3 ways, for example, as 3532875844 + 8387629056 = 59438^2 + 91584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59602425 + ... + 59602624.

Almost surely, 2^11920504900 is an apocalyptic number.

11920504900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11920504900 is an abundant number, since it is smaller than the sum of its proper divisors (13946990950).

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

11920504900 is a wasteful number, since it uses less digits than its factorization.

11920504900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119205063 (or 119205056 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 11920504900 in words is "eleven billion, nine hundred twenty million, five hundred four thousand, nine hundred".