25616413102 has 32 divisors (see below), whose sum is σ = 44878344192. Its totient is φ = 10737654144.

The previous prime is 25616413057. The next prime is 25616413103. The reversal of 25616413102 is 20131461652.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25616413103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029318 + ... + 1053910.

It is an arithmetic number, because the mean of its divisors is an integer number (1402448256).

Almost surely, 2^25616413102 is an apocalyptic number.

25616413102 is a deficient number, since it is larger than the sum of its proper divisors (19261931090).

25616413102 is a wasteful number, since it uses less digits than its factorization.

25616413102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26232.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 25616413102 its reverse (20131461652), we get a palindrome (45747874754).

The spelling of 25616413102 in words is "twenty-five billion, six hundred sixteen million, four hundred thirteen thousand, one hundred two".