11320812080 has 20 divisors (see below), whose sum is σ = 26320888272. Its totient is φ = 4528324800.

The previous prime is 11320812079. The next prime is 11320812127. The reversal of 11320812080 is 8021802311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70754996 + ... + 70755155.

Almost surely, 2^11320812080 is an apocalyptic number.

11320812080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320812080 is an abundant number, since it is smaller than the sum of its proper divisors (15000076192).

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

11320812080 is a wasteful number, since it uses less digits than its factorization.

11320812080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141510164 (or 141510158 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The spelling of 11320812080 in words is "eleven billion, three hundred twenty million, eight hundred twelve thousand, eighty".