13131510114511 has 4 divisors (see below), whose sum is σ = 13132341712224. Its totient is φ = 13130678516800.

The previous prime is 13131510114509. The next prime is 13131510114517. The reversal of 13131510114511 is 11541101513131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13131510114511 - 2¹ = 13131510114509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13131510114511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131510114517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415775170 + ... + 415806751.

It is an arithmetic number, because the mean of its divisors is an integer number (3283085428056).

Almost surely, 2^{13131510114511} is an apocalyptic number.

13131510114511 is a deficient number, since it is larger than the sum of its proper divisors (831597713).

13131510114511 is an equidigital number, since it uses as much as digits as its factorization.

13131510114511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831597712.

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 13131510114511 its reverse (11541101513131), we get a palindrome (24672611627642).

The spelling of 13131510114511 in words is "thirteen trillion, one hundred thirty-one billion, five hundred ten million, one hundred fourteen thousand, five hundred eleven".