25500750005 has 8 divisors (see below), whose sum is σ = 30687590232. Its totient is φ = 20342806528.

The previous prime is 25500749999. The next prime is 25500750013. The reversal of 25500750005 is 50005700552.

It can be written as a sum of positive squares in 4 ways, for example, as 5060615044 + 20440134961 = 71138^2 + 142969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25500750005 - 2⁸ = 25500749749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25500750005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222244 + ... + 7225773.

It is an arithmetic number, because the mean of its divisors is an integer number (3835948779).

Almost surely, 2^25500750005 is an apocalyptic number.

It is an amenable number.

25500750005 is a deficient number, since it is larger than the sum of its proper divisors (5186840227).

25500750005 is a wasteful number, since it uses less digits than its factorization.

25500750005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448375.

The product of its (nonzero) digits is 8750, while the sum is 29.

The spelling of 25500750005 in words is "twenty-five billion, five hundred million, seven hundred fifty thousand, five".