25625113206 has 96 divisors (see below), whose sum is σ = 66264956928. Its totient is φ = 6530247360.

The previous prime is 25625113141. The next prime is 25625113207. The reversal of 25625113206 is 60231152652.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25625113207) 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 47 ways as a sum of consecutive naturals, for example, 96651 + ... + 246153.

It is an arithmetic number, because the mean of its divisors is an integer number (690259968).

Almost surely, 2^25625113206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25625113206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33132478464).

25625113206 is an abundant number, since it is smaller than the sum of its proper divisors (40639843722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25625113206 is a wasteful number, since it uses less digits than its factorization.

25625113206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149586 (or 149579 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 25625113206 its reverse (60231152652), we get a palindrome (85856265858).

It can be divided in two parts, 25625 and 113206, that added together give a palindrome (138831).

The spelling of 25625113206 in words is "twenty-five billion, six hundred twenty-five million, one hundred thirteen thousand, two hundred six".