11513140504531 has 8 divisors (see below), whose sum is σ = 11746374371424. Its totient is φ = 11281341923520.

The previous prime is 11513140504529. The next prime is 11513140504589. The reversal of 11513140504531 is 13540504131511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11513140504531 - 2¹ = 11513140504529 is a prime.

It is a super-2 number, since 2×11513140504531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11513140504501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358805266 + ... + 358837351.

It is an arithmetic number, because the mean of its divisors is an integer number (1468296796428).

Almost surely, 2^{11513140504531} is an apocalyptic number.

11513140504531 is a deficient number, since it is larger than the sum of its proper divisors (233233866893).

11513140504531 is an equidigital number, since it uses as much as digits as its factorization.

11513140504531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717642941.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11513140504531 in words is "eleven trillion, five hundred thirteen billion, one hundred forty million, five hundred four thousand, five hundred thirty-one".