25030505280250 has 32 divisors (see below), whose sum is σ = 49323269361600. Its totient is φ = 9485244104400.

The previous prime is 25030505280223. The next prime is 25030505280359. The reversal of 25030505280250 is 5208250503052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634785280 + ... + 2634794779.

It is an arithmetic number, because the mean of its divisors is an integer number (1541352167550).

Almost surely, 2^{25030505280250} is an apocalyptic number.

25030505280250 is a deficient number, since it is larger than the sum of its proper divisors (24292764081350).

25030505280250 is a wasteful number, since it uses less digits than its factorization.

25030505280250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269580095 (or 5269580085 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25030505280250 in words is "twenty-five trillion, thirty billion, five hundred five million, two hundred eighty thousand, two hundred fifty".