11939253939 has 24 divisors (see below), whose sum is σ = 17471301120. Its totient is φ = 7855525872.

The previous prime is 11939253923. The next prime is 11939253971. The reversal of 11939253939 is 93935293911.

11939253939 is a `hidden beast` number, since 1 + 19 + 3 + 92 + 539 + 3 + 9 = 666.

It is not a de Polignac number, because 11939253939 - 2⁴ = 11939253923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11939253239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768442 + ... + 783824.

It is an arithmetic number, because the mean of its divisors is an integer number (727970880).

Almost surely, 2^11939253939 is an apocalyptic number.

11939253939 is a deficient number, since it is larger than the sum of its proper divisors (5532047181).

11939253939 is a wasteful number, since it uses less digits than its factorization.

11939253939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511 (or 16508 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 54.

The spelling of 11939253939 in words is "eleven billion, nine hundred thirty-nine million, two hundred fifty-three thousand, nine hundred thirty-nine".