25513250050 has 24 divisors (see below), whose sum is σ = 48123027072. Its totient is φ = 10061562000.

The previous prime is 25513249981. The next prime is 25513250069. The reversal of 25513250050 is 5005231552.

It is a super-2 number, since 2×25513250050² (a number of 22 digits) contains 22 as substring.

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, 3589866 + ... + 3596965.

It is an arithmetic number, because the mean of its divisors is an integer number (2005126128).

Almost surely, 2^25513250050 is an apocalyptic number.

25513250050 is a deficient number, since it is larger than the sum of its proper divisors (22609777022).

25513250050 is a wasteful number, since it uses less digits than its factorization.

25513250050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186914 (or 7186909 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 25513250050 in words is "twenty-five billion, five hundred thirteen million, two hundred fifty thousand, fifty".