22511025049 has 2 divisors, whose sum is σ = 22511025050. Its totient is φ = 22511025048.

The previous prime is 22511025011. The next prime is 22511025101. The reversal of 22511025049 is 94052011522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19322390025 + 3188635024 = 139005^2 + 56468^2 .

It is a cyclic number.

It is not a de Polignac number, because 22511025049 - 2³³ = 13921090457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22511025049.

It is not a weakly prime, because it can be changed into another prime (22511025149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11255512524 + 11255512525.

It is an arithmetic number, because the mean of its divisors is an integer number (11255512525).

Almost surely, 2^22511025049 is an apocalyptic number.

It is an amenable number.

22511025049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22511025049 is an equidigital number, since it uses as much as digits as its factorization.

22511025049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 22511025049 in words is "twenty-two billion, five hundred eleven million, twenty-five thousand, forty-nine".