22113152513 has 4 divisors (see below), whose sum is σ = 22114678740. Its totient is φ = 22111626288.

The previous prime is 22113152507. The next prime is 22113152549. The reversal of 22113152513 is 31525131122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31525131122 = 2 ⋅15762565561.

It can be written as a sum of positive squares in 2 ways, for example, as 15165429904 + 6947722609 = 123148^2 + 83353^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113152513 - 2²⁴ = 22096375297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113155513) 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, 741170 + ... + 770427.

It is an arithmetic number, because the mean of its divisors is an integer number (5528669685).

Almost surely, 2^22113152513 is an apocalyptic number.

It is an amenable number.

22113152513 is a deficient number, since it is larger than the sum of its proper divisors (1526227).

22113152513 is a wasteful number, since it uses less digits than its factorization.

22113152513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526226.

The product of its digits is 1800, while the sum is 26.

Adding to 22113152513 its reverse (31525131122), we get a palindrome (53638283635).

The spelling of 22113152513 in words is "twenty-two billion, one hundred thirteen million, one hundred fifty-two thousand, five hundred thirteen".