13711344557 has 2 divisors, whose sum is σ = 13711344558. Its totient is φ = 13711344556.

The previous prime is 13711344553. The next prime is 13711344583. The reversal of 13711344557 is 75544311731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8432014276 + 5279330281 = 91826^2 + 72659^2 .

It is a cyclic number.

It is not a de Polignac number, because 13711344557 - 2² = 13711344553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13711344551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6855672278 + 6855672279.

It is an arithmetic number, because the mean of its divisors is an integer number (6855672279).

Almost surely, 2^13711344557 is an apocalyptic number.

It is an amenable number.

13711344557 is a deficient number, since it is larger than the sum of its proper divisors (1).

13711344557 is an equidigital number, since it uses as much as digits as its factorization.

13711344557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 41.

The spelling of 13711344557 in words is "thirteen billion, seven hundred eleven million, three hundred forty-four thousand, five hundred fifty-seven".