25895751520 has 48 divisors (see below), whose sum is σ = 63838666080. Its totient is φ = 9907938304.

The previous prime is 25895751499. The next prime is 25895751523. The reversal of 25895751520 is 2515759852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25895751523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514765 + ... + 3522124.

It is an arithmetic number, because the mean of its divisors is an integer number (1329972210).

Almost surely, 2^25895751520 is an apocalyptic number.

25895751520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25895751520 is an abundant number, since it is smaller than the sum of its proper divisors (37942914560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25895751520 is a wasteful number, since it uses less digits than its factorization.

25895751520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036927 (or 7036919 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 25895751520 in words is "twenty-five billion, eight hundred ninety-five million, seven hundred fifty-one thousand, five hundred twenty".