11775164399 has 2 divisors, whose sum is σ = 11775164400. Its totient is φ = 11775164398.

The previous prime is 11775164353. The next prime is 11775164473. The reversal of 11775164399 is 99346157711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11775164399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11775164399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11775164309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887582199 + 5887582200.

It is an arithmetic number, because the mean of its divisors is an integer number (5887582200).

Almost surely, 2^11775164399 is an apocalyptic number.

11775164399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11775164399 is an equidigital number, since it uses as much as digits as its factorization.

11775164399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 53.

The spelling of 11775164399 in words is "eleven billion, seven hundred seventy-five million, one hundred sixty-four thousand, three hundred ninety-nine".