11975916013 has 2 divisors, whose sum is σ = 11975916014. Its totient is φ = 11975916012.

The previous prime is 11975915971. The next prime is 11975916041. The reversal of 11975916013 is 31061957911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11323726569 + 652189444 = 106413^2 + 25538^2 .

It is a cyclic number.

It is not a de Polignac number, because 11975916013 - 2¹³ = 11975907821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11975916053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987958006 + 5987958007.

It is an arithmetic number, because the mean of its divisors is an integer number (5987958007).

Almost surely, 2^11975916013 is an apocalyptic number.

It is an amenable number.

11975916013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11975916013 is an equidigital number, since it uses as much as digits as its factorization.

11975916013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 43.

The spelling of 11975916013 in words is "eleven billion, nine hundred seventy-five million, nine hundred sixteen thousand, thirteen".