11520426799 has 12 divisors (see below), whose sum is σ = 13427984304. Its totient is φ = 9854998944.

The previous prime is 11520426791. The next prime is 11520426857. The reversal of 11520426799 is 99762402511.

It is not a de Polignac number, because 11520426799 - 2³ = 11520426791 is a prime.

It is a super-2 number, since 2×11520426799² (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 (11520426791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209062 + ... + 258355.

It is an arithmetic number, because the mean of its divisors is an integer number (1118998692).

Almost surely, 2^11520426799 is an apocalyptic number.

11520426799 is a deficient number, since it is larger than the sum of its proper divisors (1907557505).

11520426799 is an equidigital number, since it uses as much as digits as its factorization.

11520426799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467934 (or 467927 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 11520426799 in words is "eleven billion, five hundred twenty million, four hundred twenty-six thousand, seven hundred ninety-nine".