25285253255 has 16 divisors (see below), whose sum is σ = 30484232064. Its totient is φ = 20133795360.

The previous prime is 25285253249. The next prime is 25285253269. The reversal of 25285253255 is 55235258252.

It is not a de Polignac number, because 25285253255 - 2⁸ = 25285252999 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, 977924 + ... + 1003446.

It is an arithmetic number, because the mean of its divisors is an integer number (1905264504).

Almost surely, 2^25285253255 is an apocalyptic number.

25285253255 is a deficient number, since it is larger than the sum of its proper divisors (5198978809).

25285253255 is a wasteful number, since it uses less digits than its factorization.

25285253255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26446.

The product of its digits is 1200000, while the sum is 44.

The spelling of 25285253255 in words is "twenty-five billion, two hundred eighty-five million, two hundred fifty-three thousand, two hundred fifty-five".