25055050500507 has 4 divisors (see below), whose sum is σ = 33406734000680. Its totient is φ = 16703367000336.

The previous prime is 25055050500421. The next prime is 25055050500509. The reversal of 25055050500507 is 70500505055052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25055050500507 - 2¹⁹ = 25055049976219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25055050500509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175841750082 + ... + 4175841750087.

It is an arithmetic number, because the mean of its divisors is an integer number (8351683500170).

Almost surely, 2^{25055050500507} is an apocalyptic number.

25055050500507 is a deficient number, since it is larger than the sum of its proper divisors (8351683500173).

25055050500507 is an equidigital number, since it uses as much as digits as its factorization.

25055050500507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351683500172.

The product of its (nonzero) digits is 218750, while the sum is 39.

Adding to 25055050500507 its reverse (70500505055052), we get a palindrome (95555555555559).

The spelling of 25055050500507 in words is "twenty-five trillion, fifty-five billion, fifty million, five hundred thousand, five hundred seven".