25530055505025 has 12 divisors (see below), whose sum is σ = 42209691768432. Its totient is φ = 13616029602640.

The previous prime is 25530055504937. The next prime is 25530055505077. The reversal of 25530055505025 is 52050555003552.

It is a happy number.

It is not a de Polignac number, because 25530055505025 - 2⁸ = 25530055504769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170200369959 + ... + 170200370108.

It is an arithmetic number, because the mean of its divisors is an integer number (3517474314036).

Almost surely, 2^{25530055505025} is an apocalyptic number.

25530055505025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25530055505025 is a deficient number, since it is larger than the sum of its proper divisors (16679636263407).

25530055505025 is a wasteful number, since it uses less digits than its factorization.

25530055505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340400740080 (or 340400740075 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 25530055505025 in words is "twenty-five trillion, five hundred thirty billion, fifty-five million, five hundred five thousand, twenty-five".