11992895816 has 32 divisors (see below), whose sum is σ = 24542088480. Its totient is φ = 5448835200.

The previous prime is 11992895807. The next prime is 11992895821. The reversal of 11992895816 is 61859829911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170855 + ... + 230601.

It is an arithmetic number, because the mean of its divisors is an integer number (766940265).

Almost surely, 2^11992895816 is an apocalyptic number.

It is an amenable number.

11992895816 is an abundant number, since it is smaller than the sum of its proper divisors (12549192664).

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

11992895816 is a wasteful number, since it uses less digits than its factorization.

11992895816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62045 (or 62041 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 59.

The spelling of 11992895816 in words is "eleven billion, nine hundred ninety-two million, eight hundred ninety-five thousand, eight hundred sixteen".