25522065143 has 2 divisors, whose sum is σ = 25522065144. Its totient is φ = 25522065142.

The previous prime is 25522065097. The next prime is 25522065169. The reversal of 25522065143 is 34156022552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25522065143 - 2³² = 21227097847 is a prime.

It is a super-2 number, since 2×25522065143² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25522065743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12761032571 + 12761032572.

It is an arithmetic number, because the mean of its divisors is an integer number (12761032572).

Almost surely, 2^25522065143 is an apocalyptic number.

25522065143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25522065143 is an equidigital number, since it uses as much as digits as its factorization.

25522065143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 25522065143 its reverse (34156022552), we get a palindrome (59678087695).

The spelling of 25522065143 in words is "twenty-five billion, five hundred twenty-two million, sixty-five thousand, one hundred forty-three".