25552750505525 has 6 divisors (see below), whose sum is σ = 31685410626882. Its totient is φ = 20442200404400.

The previous prime is 25552750505483. The next prime is 25552750505539. The reversal of 25552750505525 is 52550505725552.

It can be written as a sum of positive squares in 3 ways, for example, as 8480015569 + 25544270489956 = 92087^2 + 5054134^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25552750505525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511055010086 + ... + 511055010135.

It is an arithmetic number, because the mean of its divisors is an integer number (5280901771147).

Almost surely, 2^{25552750505525} is an apocalyptic number.

25552750505525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25552750505525 is a deficient number, since it is larger than the sum of its proper divisors (6132660121357).

25552750505525 is a wasteful number, since it uses less digits than its factorization.

25552750505525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022110020231 (or 1022110020226 counting only the distinct ones).

The product of its (nonzero) digits is 21875000, while the sum is 53.

The spelling of 25552750505525 in words is "twenty-five trillion, five hundred fifty-two billion, seven hundred fifty million, five hundred five thousand, five hundred twenty-five".