1255796255 has 12 divisors (see below), whose sum is σ = 1752989400. Its totient is φ = 861117264.

The previous prime is 1255796231. The next prime is 1255796263. The reversal of 1255796255 is 5526975521.

It is not a de Polignac number, because 1255796255 - 2¹⁰ = 1255795231 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2562605 + ... + 2563094.

It is an arithmetic number, because the mean of its divisors is an integer number (146082450).

Almost surely, 2^1255796255 is an apocalyptic number.

1255796255 is a deficient number, since it is larger than the sum of its proper divisors (497193145).

1255796255 is an equidigital number, since it uses as much as digits as its factorization.

1255796255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125718 (or 5125711 counting only the distinct ones).

The product of its digits is 945000, while the sum is 47.

The square root of 1255796255 is about 35437.2156778718. The cubic root of 1255796255 is about 1078.8797984358.

The spelling of 1255796255 in words is "one billion, two hundred fifty-five million, seven hundred ninety-six thousand, two hundred fifty-five".