22525161600251 has 2 divisors, whose sum is σ = 22525161600252. Its totient is φ = 22525161600250.

The previous prime is 22525161600203. The next prime is 22525161600259. The reversal of 22525161600251 is 15200616152522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22525161600251 - 2²⁶ = 22525094491387 is a prime.

It is a super-2 number, since 2×22525161600251² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22525161600259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262580800125 + 11262580800126.

It is an arithmetic number, because the mean of its divisors is an integer number (11262580800126).

Almost surely, 2^{22525161600251} is an apocalyptic number.

22525161600251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525161600251 is an equidigital number, since it uses as much as digits as its factorization.

22525161600251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 22525161600251 its reverse (15200616152522), we get a palindrome (37725777752773).

The spelling of 22525161600251 in words is "twenty-two trillion, five hundred twenty-five billion, one hundred sixty-one million, six hundred thousand, two hundred fifty-one".