11899472796 has 36 divisors (see below), whose sum is σ = 31848590592. Its totient is φ = 3733167744.

The previous prime is 11899472789. The next prime is 11899472833. The reversal of 11899472796 is 69727499811.

11899472796 is a `hidden beast` number, since 1 + 1 + 8 + 99 + 472 + 79 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9721180 + ... + 9722403.

It is an arithmetic number, because the mean of its divisors is an integer number (884683072).

Almost surely, 2^11899472796 is an apocalyptic number.

It is an amenable number.

11899472796 is an abundant number, since it is smaller than the sum of its proper divisors (19949117796).

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

11899472796 is a wasteful number, since it uses less digits than its factorization.

11899472796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19443610 (or 19443605 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The spelling of 11899472796 in words is "eleven billion, eight hundred ninety-nine million, four hundred seventy-two thousand, seven hundred ninety-six".