25088100005 has 4 divisors (see below), whose sum is σ = 30105720012. Its totient is φ = 20070480000.

The previous prime is 25088099989. The next prime is 25088100031. The reversal of 25088100005 is 50000188052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3661581121 + 21426518884 = 60511^2 + 146378^2 .

It is not a de Polignac number, because 25088100005 - 2⁴ = 25088099989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508809996 + ... + 2508810005.

It is an arithmetic number, because the mean of its divisors is an integer number (7526430003).

Almost surely, 2^25088100005 is an apocalyptic number.

It is an amenable number.

25088100005 is a deficient number, since it is larger than the sum of its proper divisors (5017620007).

25088100005 is an equidigital number, since it uses as much as digits as its factorization.

25088100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017620006.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 25088100005 its reverse (50000188052), we get a palindrome (75088288057).

The spelling of 25088100005 in words is "twenty-five billion, eighty-eight million, one hundred thousand, five".