11839800959 has 12 divisors (see below), whose sum is σ = 13803944904. Its totient is φ = 10125473904.

The previous prime is 11839800937. The next prime is 11839800983. The reversal of 11839800959 is 95900893811.

It is not a de Polignac number, because 11839800959 - 2⁸ = 11839800703 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11839800959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11839800359) 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, 251012 + ... + 294425.

It is an arithmetic number, because the mean of its divisors is an integer number (1150328742).

Almost surely, 2^11839800959 is an apocalyptic number.

11839800959 is a deficient number, since it is larger than the sum of its proper divisors (1964143945).

11839800959 is an equidigital number, since it uses as much as digits as its factorization.

11839800959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545894 (or 545887 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 11839800959 in words is "eleven billion, eight hundred thirty-nine million, eight hundred thousand, nine hundred fifty-nine".