25000530305555 has 12 divisors (see below), whose sum is σ = 34898699447280. Its totient is φ = 17143220780784.

The previous prime is 25000530305539. The next prime is 25000530305591. The reversal of 25000530305555 is 55550303500052.

It is not a de Polignac number, because 25000530305555 - 2⁴ = 25000530305539 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, 51021490175 + ... + 51021490664.

It is an arithmetic number, because the mean of its divisors is an integer number (2908224953940).

Almost surely, 2^{25000530305555} is an apocalyptic number.

25000530305555 is a deficient number, since it is larger than the sum of its proper divisors (9898169141725).

25000530305555 is a wasteful number, since it uses less digits than its factorization.

25000530305555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102042980858 (or 102042980851 counting only the distinct ones).

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 25000530305555 in words is "twenty-five trillion, five hundred thirty million, three hundred five thousand, five hundred fifty-five".