25250055050500 has 48 divisors (see below), whose sum is σ = 63024137414784. Its totient is φ = 8657161730400.

The previous prime is 25250055050477. The next prime is 25250055050501. The reversal of 25250055050500 is 505055005252.

It is not an unprimeable number, because it can be changed into a prime (25250055050501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607147222 + ... + 3607154221.

It is an arithmetic number, because the mean of its divisors is an integer number (1313002862808).

Almost surely, 2^{25250055050500} is an apocalyptic number.

25250055050500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25250055050500 is an abundant number, since it is smaller than the sum of its proper divisors (37774082364284).

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

25250055050500 is a wasteful number, since it uses less digits than its factorization.

25250055050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214301469 (or 7214301457 counting only the distinct ones).

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

The spelling of 25250055050500 in words is "twenty-five trillion, two hundred fifty billion, fifty-five million, fifty thousand, five hundred".