13011120113 has 4 divisors (see below), whose sum is σ = 13328464548. Its totient is φ = 12693775680.

The previous prime is 13011120053. The next prime is 13011120137. The reversal of 13011120113 is 31102111031.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2993512369 + 10017607744 = 54713^2 + 100088^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011120113 - 2⁶ = 13011120049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011120163) 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, 158672156 + ... + 158672237.

It is an arithmetic number, because the mean of its divisors is an integer number (3332116137).

Almost surely, 2^13011120113 is an apocalyptic number.

It is an amenable number.

13011120113 is a deficient number, since it is larger than the sum of its proper divisors (317344435).

13011120113 is an equidigital number, since it uses as much as digits as its factorization.

13011120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317344434.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13011120113 its reverse (31102111031), we get a palindrome (44113231144).

The spelling of 13011120113 in words is "thirteen billion, eleven million, one hundred twenty thousand, one hundred thirteen".