11709995816 has 32 divisors (see below), whose sum is σ = 22084151040. Its totient is φ = 5820960768.

The previous prime is 11709995797. The next prime is 11709995851. The reversal of 11709995816 is 61859990711.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 1471400 + ... + 1479336.

It is an arithmetic number, because the mean of its divisors is an integer number (690129720).

Almost surely, 2^11709995816 is an apocalyptic number.

It is an amenable number.

11709995816 is a deficient number, since it is larger than the sum of its proper divisors (10374155224).

11709995816 is a wasteful number, since it uses less digits than its factorization.

11709995816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 56.

The spelling of 11709995816 in words is "eleven billion, seven hundred nine million, nine hundred ninety-five thousand, eight hundred sixteen".