25503025553025 has 48 divisors (see below), whose sum is σ = 42784477868160. Its totient is φ = 13402147852800.

The previous prime is 25503025552987. The next prime is 25503025553051. The reversal of 25503025553025 is 52035552030552.

It is not a de Polignac number, because 25503025553025 - 2⁷ = 25503025552897 is a prime.

It is a super-3 number, since 3×25503025553025³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3308836 + ... + 7871114.

It is an arithmetic number, because the mean of its divisors is an integer number (891343288920).

Almost surely, 2^{25503025553025} is an apocalyptic number.

25503025553025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25503025553025 is a deficient number, since it is larger than the sum of its proper divisors (17281452315135).

25503025553025 is a wasteful number, since it uses less digits than its factorization.

25503025553025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563386 (or 4563381 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 42.

Adding to 25503025553025 its reverse (52035552030552), we get a palindrome (77538577583577).

The spelling of 25503025553025 in words is "twenty-five trillion, five hundred three billion, twenty-five million, five hundred fifty-three thousand, twenty-five".