1311432522453 has 6 divisors (see below), whose sum is σ = 1894291421334. Its totient is φ = 874288348296.

The previous prime is 1311432522437. The next prime is 1311432522559. The reversal of 1311432522453 is 3542252341131.

1311432522453 is a `hidden beast` number, since 1 + 311 + 43 + 252 + 2 + 4 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1198887033969 + 112545488484 = 1094937^2 + 335478^2 .

It is not a de Polignac number, because 1311432522453 - 2⁴ = 1311432522437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311432522353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72857362350 + ... + 72857362367.

It is an arithmetic number, because the mean of its divisors is an integer number (315715236889).

Almost surely, 2^{1311432522453} is an apocalyptic number.

It is an amenable number.

1311432522453 is a deficient number, since it is larger than the sum of its proper divisors (582858898881).

1311432522453 is a wasteful number, since it uses less digits than its factorization.

1311432522453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145714724723 (or 145714724720 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 1311432522453 its reverse (3542252341131), we get a palindrome (4853684863584).

The spelling of 1311432522453 in words is "one trillion, three hundred eleven billion, four hundred thirty-two million, five hundred twenty-two thousand, four hundred fifty-three".