25990471624725 has 192 divisors, whose sum is σ = 49863394252800. Its totient is φ = 13257665280000.

The previous prime is 25990471624687. The next prime is 25990471624757. The reversal of 25990471624725 is 52742617409952.

It is a happy number.

25990471624725 is a `hidden beast` number, since 2 + 5 + 9 + 90 + 4 + 71 + 6 + 2 + 472 + 5 = 666.

It is not a de Polignac number, because 25990471624725 - 2¹⁷ = 25990471493653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1202528019 + ... + 1202549631.

It is an arithmetic number, because the mean of its divisors is an integer number (259705178400).

Almost surely, 2^{25990471624725} is an apocalyptic number.

25990471624725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25990471624725 is a deficient number, since it is larger than the sum of its proper divisors (23872922628075).

25990471624725 is a wasteful number, since it uses less digits than its factorization.

25990471624725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22333 (or 22322 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 25990471624725 in words is "twenty-five trillion, nine hundred ninety billion, four hundred seventy-one million, six hundred twenty-four thousand, seven hundred twenty-five".