13113132051 has 4 divisors (see below), whose sum is σ = 17484176072. Its totient is φ = 8742088032.

The previous prime is 13113132007. The next prime is 13113132061. The reversal of 13113132051 is 15023131131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15023131131 = 3 ⋅5007710377.

It is not a de Polignac number, because 13113132051 - 2⁹ = 13113131539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113132061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185522006 + ... + 2185522011.

It is an arithmetic number, because the mean of its divisors is an integer number (4371044018).

Almost surely, 2^13113132051 is an apocalyptic number.

13113132051 is a deficient number, since it is larger than the sum of its proper divisors (4371044021).

13113132051 is an equidigital number, since it uses as much as digits as its factorization.

13113132051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371044020.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13113132051 its reverse (15023131131), we get a palindrome (28136263182).

The spelling of 13113132051 in words is "thirteen billion, one hundred thirteen million, one hundred thirty-two thousand, fifty-one".