25455134027 has 2 divisors, whose sum is σ = 25455134028. Its totient is φ = 25455134026.

The previous prime is 25455134021. The next prime is 25455134071. The reversal of 25455134027 is 72043155452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25455134027 is a prime.

It is not a weakly prime, because it can be changed into another prime (25455134021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12727567013 + 12727567014.

It is an arithmetic number, because the mean of its divisors is an integer number (12727567014).

Almost surely, 2^25455134027 is an apocalyptic number.

25455134027 is a deficient number, since it is larger than the sum of its proper divisors (1).

25455134027 is an equidigital number, since it uses as much as digits as its factorization.

25455134027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 38.

Adding to 25455134027 its reverse (72043155452), we get a palindrome (97498289479).

The spelling of 25455134027 in words is "twenty-five billion, four hundred fifty-five million, one hundred thirty-four thousand, twenty-seven".