1311615130623 has 24 divisors (see below), whose sum is σ = 2040968426112. Its totient is φ = 747052984944.

The previous prime is 1311615130597. The next prime is 1311615130739. The reversal of 1311615130623 is 3260315161131.

It is a happy number.

It is not a de Polignac number, because 1311615130623 - 2⁵ = 1311615130591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311615130523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14486715 + ... + 14576972.

It is an arithmetic number, because the mean of its divisors is an integer number (85040351088).

Almost surely, 2^{1311615130623} is an apocalyptic number.

1311615130623 is a deficient number, since it is larger than the sum of its proper divisors (729353295489).

1311615130623 is a wasteful number, since it uses less digits than its factorization.

1311615130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29064011 (or 29064004 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 1311615130623 in words is "one trillion, three hundred eleven billion, six hundred fifteen million, one hundred thirty thousand, six hundred twenty-three".