22113135553 has 4 divisors (see below), whose sum is σ = 22199179140. Its totient is φ = 22027091968.

The previous prime is 22113135547. The next prime is 22113135563. The reversal of 22113135553 is 35553131122.

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 19260721089 + 2852414464 = 138783^2 + 53408^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113135553 - 2²⁹ = 21576264641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113135563) 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, 43021408 + ... + 43021921.

It is an arithmetic number, because the mean of its divisors is an integer number (5549794785).

Almost surely, 2^22113135553 is an apocalyptic number.

It is an amenable number.

22113135553 is a deficient number, since it is larger than the sum of its proper divisors (86043587).

22113135553 is an equidigital number, since it uses as much as digits as its factorization.

22113135553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86043586.

The product of its digits is 13500, while the sum is 31.

Adding to 22113135553 its reverse (35553131122), we get a palindrome (57666266675).

The spelling of 22113135553 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-five thousand, five hundred fifty-three".