1311524253121 has 16 divisors (see below), whose sum is σ = 1350917554176. Its totient is φ = 1272623755536.

The previous prime is 1311524253079. The next prime is 1311524253139. The reversal of 1311524253121 is 1213524251131.

It is a cyclic number.

It is not a de Polignac number, because 1311524253121 - 2⁹ = 1311524252609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311524259121) 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, 8561220 + ... + 8713066.

It is an arithmetic number, because the mean of its divisors is an integer number (84432347136).

Almost surely, 2^{1311524253121} is an apocalyptic number.

It is an amenable number.

1311524253121 is a deficient number, since it is larger than the sum of its proper divisors (39393301055).

1311524253121 is a wasteful number, since it uses less digits than its factorization.

1311524253121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153468.

The product of its digits is 7200, while the sum is 31.

The spelling of 1311524253121 in words is "one trillion, three hundred eleven billion, five hundred twenty-four million, two hundred fifty-three thousand, one hundred twenty-one".