25839895755 has 16 divisors (see below), whose sum is σ = 41572256544. Its totient is φ = 13705136640.

The previous prime is 25839895751. The next prime is 25839895769. The reversal of 25839895755 is 55759893852.

It is not a de Polignac number, because 25839895755 - 2² = 25839895751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25839895751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4756014 + ... + 4761443.

It is an arithmetic number, because the mean of its divisors is an integer number (2598266034).

Almost surely, 2^25839895755 is an apocalyptic number.

25839895755 is a deficient number, since it is larger than the sum of its proper divisors (15732360789).

25839895755 is a wasteful number, since it uses less digits than its factorization.

25839895755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517646.

The product of its digits is 136080000, while the sum is 66.

The spelling of 25839895755 in words is "twenty-five billion, eight hundred thirty-nine million, eight hundred ninety-five thousand, seven hundred fifty-five".