25102113101 has 16 divisors (see below), whose sum is σ = 27752471040. Its totient is φ = 22556983680.

The previous prime is 25102113097. The next prime is 25102113109. The reversal of 25102113101 is 10131120152.

It is a cyclic number.

It is not a de Polignac number, because 25102113101 - 2² = 25102113097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25102113101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25102113109) 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, 195920 + ... + 297638.

It is an arithmetic number, because the mean of its divisors is an integer number (1734529440).

Almost surely, 2^25102113101 is an apocalyptic number.

It is an amenable number.

25102113101 is a deficient number, since it is larger than the sum of its proper divisors (2650357939).

25102113101 is a wasteful number, since it uses less digits than its factorization.

25102113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102236.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 25102113101 its reverse (10131120152), we get a palindrome (35233233253).

The spelling of 25102113101 in words is "twenty-five billion, one hundred two million, one hundred thirteen thousand, one hundred one".