25540013153 has 2 divisors, whose sum is σ = 25540013154. Its totient is φ = 25540013152.

The previous prime is 25540013143. The next prime is 25540013207. The reversal of 25540013153 is 35131004552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14866437184 + 10673575969 = 121928^2 + 103313^2 .

It is a cyclic number.

It is not a de Polignac number, because 25540013153 - 2⁴ = 25540013137 is a prime.

It is not a weakly prime, because it can be changed into another prime (25540013113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770006576 + 12770006577.

It is an arithmetic number, because the mean of its divisors is an integer number (12770006577).

Almost surely, 2^25540013153 is an apocalyptic number.

It is an amenable number.

25540013153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25540013153 is an equidigital number, since it uses as much as digits as its factorization.

25540013153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 25540013153 in words is "twenty-five billion, five hundred forty million, thirteen thousand, one hundred fifty-three".