1255751255 has 16 divisors (see below), whose sum is σ = 1696923648. Its totient is φ = 883812000.

The previous prime is 1255751153. The next prime is 1255751261. The reversal of 1255751255 is 5521575521.

It is not a de Polignac number, because 1255751255 - 2⁸ = 1255750999 is a prime.

It is a super-2 number, since 2×1255751255² = 3153822428868150050, which contains 22 as substring.

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, 366551 + ... + 369960.

It is an arithmetic number, because the mean of its divisors is an integer number (106057728).

Almost surely, 2^1255751255 is an apocalyptic number.

1255751255 is a deficient number, since it is larger than the sum of its proper divisors (441172393).

1255751255 is a wasteful number, since it uses less digits than its factorization.

1255751255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736558.

The product of its digits is 87500, while the sum is 38.

The square root of 1255751255 is about 35436.5807464546. The cubic root of 1255751255 is about 1078.8669114805.

The spelling of 1255751255 in words is "one billion, two hundred fifty-five million, seven hundred fifty-one thousand, two hundred fifty-five".