1255560144311 has 16 divisors (see below), whose sum is σ = 1378816819200. Its totient is φ = 1133839485600.

The previous prime is 1255560144259. The next prime is 1255560144329. The reversal of 1255560144311 is 1134410655521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255560144311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255560144331) 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, 1068170 + ... + 1911048.

It is an arithmetic number, because the mean of its divisors is an integer number (86176051200).

Almost surely, 2^{1255560144311} is an apocalyptic number.

1255560144311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1255560144311 is a deficient number, since it is larger than the sum of its proper divisors (123256674889).

1255560144311 is a wasteful number, since it uses less digits than its factorization.

1255560144311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843790.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 1255560144311 its reverse (1134410655521), we get a palindrome (2389970799832).

The spelling of 1255560144311 in words is "one trillion, two hundred fifty-five billion, five hundred sixty million, one hundred forty-four thousand, three hundred eleven".