13173255287 has 2 divisors, whose sum is σ = 13173255288. Its totient is φ = 13173255286.

The previous prime is 13173255283. The next prime is 13173255301. The reversal of 13173255287 is 78255237131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13173255287 - 2² = 13173255283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13173255281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586627643 + 6586627644.

It is an arithmetic number, because the mean of its divisors is an integer number (6586627644).

Almost surely, 2^13173255287 is an apocalyptic number.

13173255287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13173255287 is an equidigital number, since it uses as much as digits as its factorization.

13173255287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The spelling of 13173255287 in words is "thirteen billion, one hundred seventy-three million, two hundred fifty-five thousand, two hundred eighty-seven".