1311562130501 has 16 divisors (see below), whose sum is σ = 1508157964800. Its totient is φ = 1117292241408.

The previous prime is 1311562130453. The next prime is 1311562130531. The reversal of 1311562130501 is 1050312651131.

It is not a de Polignac number, because 1311562130501 - 2³⁴ = 1294382261317 is a prime.

It is a super-2 number, since 2×1311562130501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311562130531) 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, 81461 + ... + 1621653.

It is an arithmetic number, because the mean of its divisors is an integer number (94259872800).

Almost surely, 2^{1311562130501} is an apocalyptic number.

It is an amenable number.

1311562130501 is a deficient number, since it is larger than the sum of its proper divisors (196595834299).

1311562130501 is a wasteful number, since it uses less digits than its factorization.

1311562130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540948.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 1311562130501 its reverse (1050312651131), we get a palindrome (2361874781632).

The spelling of 1311562130501 in words is "one trillion, three hundred eleven billion, five hundred sixty-two million, one hundred thirty thousand, five hundred one".