1311255035453 has 16 divisors (see below), whose sum is σ = 1480456051200. Its totient is φ = 1150986163200.

The previous prime is 1311255035443. The next prime is 1311255035479. The reversal of 1311255035453 is 3545305521131.

It is a cyclic number.

It is not a de Polignac number, because 1311255035453 - 2⁸ = 1311255035197 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 (1311255035443) 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, 14943053 + ... + 15030546.

It is an arithmetic number, because the mean of its divisors is an integer number (92528503200).

Almost surely, 2^{1311255035453} is an apocalyptic number.

It is an amenable number.

1311255035453 is a deficient number, since it is larger than the sum of its proper divisors (169201015747).

1311255035453 is a wasteful number, since it uses less digits than its factorization.

1311255035453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29973748.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 1311255035453 in words is "one trillion, three hundred eleven billion, two hundred fifty-five million, thirty-five thousand, four hundred fifty-three".