1255389179255 has 16 divisors (see below), whose sum is σ = 1510258539744. Its totient is φ = 1001786388480.

The previous prime is 1255389179201. The next prime is 1255389179293. The reversal of 1255389179255 is 5529719835521.

It is not a de Polignac number, because 1255389179255 - 2²⁰ = 1255388130679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3531875 + ... + 3871035.

It is an arithmetic number, because the mean of its divisors is an integer number (94391158734).

Almost surely, 2^{1255389179255} is an apocalyptic number.

1255389179255 is a deficient number, since it is larger than the sum of its proper divisors (254869360489).

1255389179255 is a wasteful number, since it uses less digits than its factorization.

1255389179255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341026.

The product of its digits is 34020000, while the sum is 62.

The spelling of 1255389179255 in words is "one trillion, two hundred fifty-five billion, three hundred eighty-nine million, one hundred seventy-nine thousand, two hundred fifty-five".