11396737975391 has 2 divisors, whose sum is σ = 11396737975392. Its totient is φ = 11396737975390.

The previous prime is 11396737975379. The next prime is 11396737975421. The reversal of 11396737975391 is 19357973769311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11396737975391 - 2⁶ = 11396737975327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11396737975361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5698368987695 + 5698368987696.

It is an arithmetic number, because the mean of its divisors is an integer number (5698368987696).

Almost surely, 2^{11396737975391} is an apocalyptic number.

11396737975391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11396737975391 is an equidigital number, since it uses as much as digits as its factorization.

11396737975391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202538070, while the sum is 71.

The spelling of 11396737975391 in words is "eleven trillion, three hundred ninety-six billion, seven hundred thirty-seven million, nine hundred seventy-five thousand, three hundred ninety-one".