22540520159 has 2 divisors, whose sum is σ = 22540520160. Its totient is φ = 22540520158.

The previous prime is 22540520153. The next prime is 22540520161. The reversal of 22540520159 is 95102504522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22540520159 - 2²⁰ = 22539471583 is a prime.

Together with 22540520161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540520153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270260079 + 11270260080.

It is an arithmetic number, because the mean of its divisors is an integer number (11270260080).

Almost surely, 2^22540520159 is an apocalyptic number.

22540520159 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540520159 is an equidigital number, since it uses as much as digits as its factorization.

22540520159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 22540520159 in words is "twenty-two billion, five hundred forty million, five hundred twenty thousand, one hundred fifty-nine".