25510125005 has 16 divisors (see below), whose sum is σ = 30693600000. Its totient is φ = 20353857600.

The previous prime is 25510125001. The next prime is 25510125019. The reversal of 25510125005 is 50052101552.

It is not a de Polignac number, because 25510125005 - 2² = 25510125001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25510125001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5863571 + ... + 5867919.

It is an arithmetic number, because the mean of its divisors is an integer number (1918350000).

Almost surely, 2^25510125005 is an apocalyptic number.

It is an amenable number.

25510125005 is a deficient number, since it is larger than the sum of its proper divisors (5183474995).

25510125005 is a wasteful number, since it uses less digits than its factorization.

25510125005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204.

The product of its (nonzero) digits is 2500, while the sum is 26.

Adding to 25510125005 its reverse (50052101552), we get a palindrome (75562226557).

The spelling of 25510125005 in words is "twenty-five billion, five hundred ten million, one hundred twenty-five thousand, five".