5311564393391 has 2 divisors, whose sum is σ = 5311564393392. Its totient is φ = 5311564393390.

The previous prime is 5311564393351. The next prime is 5311564393411. The reversal of 5311564393391 is 1933934651135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5311564393391 - 2⁶ = 5311564393327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5311564393351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655782196695 + 2655782196696.

It is an arithmetic number, because the mean of its divisors is an integer number (2655782196696).

Almost surely, 2^{5311564393391} is an apocalyptic number.

5311564393391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311564393391 is an equidigital number, since it uses as much as digits as its factorization.

5311564393391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 53.

The spelling of 5311564393391 in words is "five trillion, three hundred eleven billion, five hundred sixty-four million, three hundred ninety-three thousand, three hundred ninety-one".