11079890816 has 16 divisors (see below), whose sum is σ = 22073220240. Its totient is φ = 5539945344.

The previous prime is 11079890747. The next prime is 11079890819. The reversal of 11079890816 is 61809897011.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×11079890816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11079890819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43280696 + ... + 43280951.

It is an arithmetic number, because the mean of its divisors is an integer number (1379576265).

Almost surely, 2^11079890816 is an apocalyptic number.

11079890816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11079890816 is a deficient number, since it is larger than the sum of its proper divisors (10993329424).

11079890816 is an frugal number, since it uses more digits than its factorization.

11079890816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86561661 (or 86561649 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 50.

The spelling of 11079890816 in words is "eleven billion, seventy-nine million, eight hundred ninety thousand, eight hundred sixteen".