25550250525050 has 48 divisors (see below), whose sum is σ = 48240199747320. Its totient is φ = 10066345943040.

The previous prime is 25550250525013. The next prime is 25550250525089. The reversal of 25550250525050 is 5052505205552.

It can be written as a sum of positive squares in 12 ways, for example, as 1800934476121 + 23749316048929 = 1341989^2 + 4873327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25550250524989 and 25550250525007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2099495 + ... + 7450394.

Almost surely, 2^{25550250525050} is an apocalyptic number.

25550250525050 is a deficient number, since it is larger than the sum of its proper divisors (22689949222270).

25550250525050 is a wasteful number, since it uses less digits than its factorization.

25550250525050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550707 (or 9550702 counting only the distinct ones).

The product of its (nonzero) digits is 625000, while the sum is 41.

The spelling of 25550250525050 in words is "twenty-five trillion, five hundred fifty billion, two hundred fifty million, five hundred twenty-five thousand, fifty".