11520961239 has 16 divisors (see below), whose sum is σ = 16293214080. Its totient is φ = 7220846880.

The previous prime is 11520961213. The next prime is 11520961259. The reversal of 11520961239 is 93216902511.

It is not a de Polignac number, because 11520961239 - 2¹⁹ = 11520436951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11520961197 and 11520961206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520961259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763992 + ... + 778925.

It is an arithmetic number, because the mean of its divisors is an integer number (1018325880).

Almost surely, 2^11520961239 is an apocalyptic number.

11520961239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11520961239 is a deficient number, since it is larger than the sum of its proper divisors (4772252841).

11520961239 is a wasteful number, since it uses less digits than its factorization.

11520961239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543070.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 11520961239 in words is "eleven billion, five hundred twenty million, nine hundred sixty-one thousand, two hundred thirty-nine".