25261341485 has 16 divisors (see below), whose sum is σ = 31722800256. Its totient is φ = 19274680128.

The previous prime is 25261341467. The next prime is 25261341509. The reversal of 25261341485 is 58414316252.

It is a cyclic number.

It is not a de Polignac number, because 25261341485 - 2⁸ = 25261341229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276614 + ... + 356423.

It is an arithmetic number, because the mean of its divisors is an integer number (1982675016).

Almost surely, 2^25261341485 is an apocalyptic number.

It is an amenable number.

25261341485 is a deficient number, since it is larger than the sum of its proper divisors (6461458771).

25261341485 is a wasteful number, since it uses less digits than its factorization.

25261341485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633412.

The product of its digits is 230400, while the sum is 41.

The spelling of 25261341485 in words is "twenty-five billion, two hundred sixty-one million, three hundred forty-one thousand, four hundred eighty-five".