25300525055525 has 12 divisors (see below), whose sum is σ = 31387222733892. Its totient is φ = 20231018970240.

The previous prime is 25300525055521. The next prime is 25300525055539. The reversal of 25300525055525 is 52555052500352.

It can be written as a sum of positive squares in 6 ways, for example, as 970238790049 + 24330286265476 = 985007^2 + 4932574^2 .

It is not a de Polignac number, because 25300525055525 - 2² = 25300525055521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25300525055521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234971954 + ... + 235079603.

It is an arithmetic number, because the mean of its divisors is an integer number (2615601894491).

Almost surely, 2^{25300525055525} is an apocalyptic number.

25300525055525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25300525055525 is a deficient number, since it is larger than the sum of its proper divisors (6086697678367).

25300525055525 is a wasteful number, since it uses less digits than its factorization.

25300525055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470053720 (or 470053715 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 44.

Adding to 25300525055525 its reverse (52555052500352), we get a palindrome (77855577555877).

The spelling of 25300525055525 in words is "twenty-five trillion, three hundred billion, five hundred twenty-five million, fifty-five thousand, five hundred twenty-five".