25255555500250 has 64 divisors (see below), whose sum is σ = 47387773585152. Its totient is φ = 10078858152000.

The previous prime is 25255555500223. The next prime is 25255555500271. The reversal of 25255555500250 is 5200555555252.

It is a self number, because there is not a number n which added to its sum of digits gives 25255555500250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192020157 + ... + 1192041343.

It is an arithmetic number, because the mean of its divisors is an integer number (740433962268).

Almost surely, 2^{25255555500250} is an apocalyptic number.

25255555500250 is a deficient number, since it is larger than the sum of its proper divisors (22132218084902).

25255555500250 is a wasteful number, since it uses less digits than its factorization.

25255555500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32008 (or 31998 counting only the distinct ones).

The product of its (nonzero) digits is 3125000, while the sum is 46.

The spelling of 25255555500250 in words is "twenty-five trillion, two hundred fifty-five billion, five hundred fifty-five million, five hundred thousand, two hundred fifty".