13173255587 has 2 divisors, whose sum is σ = 13173255588. Its totient is φ = 13173255586.

The previous prime is 13173255493. The next prime is 13173255607. The reversal of 13173255587 is 78555237131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13173255587 - 2¹⁴ = 13173239203 is a prime.

It is not a weakly prime, because it can be changed into another prime (13173255287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586627793 + 6586627794.

It is an arithmetic number, because the mean of its divisors is an integer number (6586627794).

Almost surely, 2^13173255587 is an apocalyptic number.

13173255587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13173255587 is an equidigital number, since it uses as much as digits as its factorization.

13173255587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 47.

The spelling of 13173255587 in words is "thirteen billion, one hundred seventy-three million, two hundred fifty-five thousand, five hundred eighty-seven".