11320520679 has 24 divisors (see below), whose sum is σ = 17633284032. Its totient is φ = 6957144000.

The previous prime is 11320520621. The next prime is 11320520681. The reversal of 11320520679 is 97602502311.

It is not a de Polignac number, because 11320520679 - 2⁷ = 11320520551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320520179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23449 + ... + 152285.

It is an arithmetic number, because the mean of its divisors is an integer number (734720168).

Almost surely, 2^11320520679 is an apocalyptic number.

11320520679 is a deficient number, since it is larger than the sum of its proper divisors (6312763353).

11320520679 is a wasteful number, since it uses less digits than its factorization.

11320520679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129607 (or 129604 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 11320520679 in words is "eleven billion, three hundred twenty million, five hundred twenty thousand, six hundred seventy-nine".