11869615939 has 4 divisors (see below), whose sum is σ = 11921905224. Its totient is φ = 11817326656.

The previous prime is 11869615921. The next prime is 11869615973. The reversal of 11869615939 is 93951696811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11869615939 - 2¹⁵ = 11869583171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11869615909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26144302 + ... + 26144755.

It is an arithmetic number, because the mean of its divisors is an integer number (2980476306).

Almost surely, 2^11869615939 is an apocalyptic number.

11869615939 is a deficient number, since it is larger than the sum of its proper divisors (52289285).

11869615939 is an equidigital number, since it uses as much as digits as its factorization.

11869615939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52289284.

The product of its digits is 3149280, while the sum is 58.

The spelling of 11869615939 in words is "eleven billion, eight hundred sixty-nine million, six hundred fifteen thousand, nine hundred thirty-nine".