22525259551 has 2 divisors, whose sum is σ = 22525259552. Its totient is φ = 22525259550.

The previous prime is 22525259503. The next prime is 22525259557. The reversal of 22525259551 is 15595252522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22525259551 - 2⁹ = 22525259039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22525259498 and 22525259507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22525259557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262629775 + 11262629776.

It is an arithmetic number, because the mean of its divisors is an integer number (11262629776).

Almost surely, 2^22525259551 is an apocalyptic number.

22525259551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525259551 is an equidigital number, since it uses as much as digits as its factorization.

22525259551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450000, while the sum is 43.

The spelling of 22525259551 in words is "twenty-two billion, five hundred twenty-five million, two hundred fifty-nine thousand, five hundred fifty-one".