22855996811 has 2 divisors, whose sum is σ = 22855996812. Its totient is φ = 22855996810.

The previous prime is 22855996799. The next prime is 22855996861. The reversal of 22855996811 is 11869955822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22855996811 - 2²² = 22851802507 is a prime.

It is not a weakly prime, because it can be changed into another prime (22855996861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11427998405 + 11427998406.

It is an arithmetic number, because the mean of its divisors is an integer number (11427998406).

Almost surely, 2^22855996811 is an apocalyptic number.

22855996811 is a deficient number, since it is larger than the sum of its proper divisors (1).

22855996811 is an equidigital number, since it uses as much as digits as its factorization.

22855996811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 56.

The spelling of 22855996811 in words is "twenty-two billion, eight hundred fifty-five million, nine hundred ninety-six thousand, eight hundred eleven".