25510125010 has 64 divisors (see below), whose sum is σ = 48313780992. Its totient is φ = 9679411456.

The previous prime is 25510125001. The next prime is 25510125019. The reversal of 25510125010 is 1052101552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25510125001) and next prime (25510125019).

It is not an unprimeable number, because it can be changed into a prime (25510125019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26937357 + ... + 26938303.

It is an arithmetic number, because the mean of its divisors is an integer number (754902828).

Almost surely, 2^25510125010 is an apocalyptic number.

25510125010 is a deficient number, since it is larger than the sum of its proper divisors (22803655982).

25510125010 is a wasteful number, since it uses less digits than its factorization.

25510125010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 25510125010 its reverse (1052101552), we get a palindrome (26562226562).

The spelling of 25510125010 in words is "twenty-five billion, five hundred ten million, one hundred twenty-five thousand, ten".