25005002555050 has 24 divisors (see below), whose sum is σ = 53153491146336. Its totient is φ = 8573143733040.

The previous prime is 25005002555041. The next prime is 25005002555069. The reversal of 25005002555050 is 5055520050052.

It is a junction number, because it is equal to n+sod(n) for n = 25005002554997 and 25005002555015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35721431872 + ... + 35721432571.

It is an arithmetic number, because the mean of its divisors is an integer number (2214728797764).

Almost surely, 2^{25005002555050} is an apocalyptic number.

25005002555050 is an abundant number, since it is smaller than the sum of its proper divisors (28148488591286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25005002555050 is a wasteful number, since it uses less digits than its factorization.

25005002555050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71442864462 (or 71442864457 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 25005002555050 in words is "twenty-five trillion, five billion, two million, five hundred fifty-five thousand, fifty".