22540520111 has 2 divisors, whose sum is σ = 22540520112. Its totient is φ = 22540520110.

The previous prime is 22540520083. The next prime is 22540520129. The reversal of 22540520111 is 11102504522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22540520111 - 2¹⁸ = 22540257967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540520131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270260055 + 11270260056.

It is an arithmetic number, because the mean of its divisors is an integer number (11270260056).

Almost surely, 2^22540520111 is an apocalyptic number.

22540520111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540520111 is an equidigital number, since it uses as much as digits as its factorization.

22540520111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 22540520111 in words is "twenty-two billion, five hundred forty million, five hundred twenty thousand, one hundred eleven".