22545425311 has 4 divisors (see below), whose sum is σ = 23322853800. Its totient is φ = 21767996824.

The previous prime is 22545425291. The next prime is 22545425323. The reversal of 22545425311 is 11352454522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22545425311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545425611) 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, 388714201 + ... + 388714258.

It is an arithmetic number, because the mean of its divisors is an integer number (5830713450).

Almost surely, 2^22545425311 is an apocalyptic number.

22545425311 is a deficient number, since it is larger than the sum of its proper divisors (777428489).

22545425311 is an equidigital number, since it uses as much as digits as its factorization.

22545425311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777428488.

The product of its digits is 48000, while the sum is 34.

Adding to 22545425311 its reverse (11352454522), we get a palindrome (33897879833).

The spelling of 22545425311 in words is "twenty-two billion, five hundred forty-five million, four hundred twenty-five thousand, three hundred eleven".