25252525252560 has 80 divisors (see below), whose sum is σ = 78287722818624. Its totient is φ = 6733585698816.

The previous prime is 25252525252499. The next prime is 25252525252561. The reversal of 25252525252560 is 6525252525252.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252525252561) 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, 566599 + ... + 7129241.

Almost surely, 2^{25252525252560} is an apocalyptic number.

25252525252560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25252525252560 is an abundant number, since it is smaller than the sum of its proper divisors (53035197566064).

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

25252525252560 is a wasteful number, since it uses less digits than its factorization.

25252525252560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578692 (or 6578686 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 25252525252560 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred sixty".