11279725979 has 8 divisors (see below), whose sum is σ = 11417996352. Its totient is φ = 11141512200.

The previous prime is 11279725957. The next prime is 11279725993. The reversal of 11279725979 is 97952797211.

11279725979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11279725979 - 2¹⁶ = 11279660443 is a prime.

It is a super-2 number, since 2×11279725979² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11279728979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500504 + ... + 522554.

It is an arithmetic number, because the mean of its divisors is an integer number (1427249544).

Almost surely, 2^11279725979 is an apocalyptic number.

11279725979 is a deficient number, since it is larger than the sum of its proper divisors (138270373).

11279725979 is an equidigital number, since it uses as much as digits as its factorization.

11279725979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28297.

The product of its digits is 5000940, while the sum is 59.

The spelling of 11279725979 in words is "eleven billion, two hundred seventy-nine million, seven hundred twenty-five thousand, nine hundred seventy-nine".