22025545113251 has 2 divisors, whose sum is σ = 22025545113252. Its totient is φ = 22025545113250.

The previous prime is 22025545113239. The next prime is 22025545113289. The reversal of 22025545113251 is 15231154552022.

It is an a-pointer prime, because the next prime (22025545113289) can be obtained adding 22025545113251 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22025545113251 - 2³⁴ = 22008365244067 is a prime.

It is not a weakly prime, because it can be changed into another prime (22025545115251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012772556625 + 11012772556626.

It is an arithmetic number, because the mean of its divisors is an integer number (11012772556626).

Almost surely, 2^{22025545113251} is an apocalyptic number.

22025545113251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025545113251 is an equidigital number, since it uses as much as digits as its factorization.

22025545113251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 22025545113251 its reverse (15231154552022), we get a palindrome (37256699665273).

The spelling of 22025545113251 in words is "twenty-two trillion, twenty-five billion, five hundred forty-five million, one hundred thirteen thousand, two hundred fifty-one".