1255444113 has 16 divisors (see below), whose sum is σ = 2086972416. Its totient is φ = 652178640.

The previous prime is 1255444109. The next prime is 1255444117. The reversal of 1255444113 is 3114445521.

It is an interprime number because it is at equal distance from previous prime (1255444109) and next prime (1255444117).

It is not a de Polignac number, because 1255444113 - 2² = 1255444109 is a prime.

It is a super-2 number, since 2×1255444113² = 3152279841732713538, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255444117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717181 + ... + 2717642.

It is an arithmetic number, because the mean of its divisors is an integer number (130435776).

Almost surely, 2^1255444113 is an apocalyptic number.

It is an amenable number.

1255444113 is a deficient number, since it is larger than the sum of its proper divisors (831528303).

1255444113 is a wasteful number, since it uses less digits than its factorization.

1255444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434844.

The product of its digits is 9600, while the sum is 30.

The square root of 1255444113 is about 35432.2467958215. The cubic root of 1255444113 is about 1078.7789449188.

Adding to 1255444113 its reverse (3114445521), we get a palindrome (4369889634).

The spelling of 1255444113 in words is "one billion, two hundred fifty-five million, four hundred forty-four thousand, one hundred thirteen".