25102130655 has 32 divisors (see below), whose sum is σ = 47896740864. Its totient is φ = 10976334336.

The previous prime is 25102130653. The next prime is 25102130659. The reversal of 25102130655 is 55603120152.

It is a happy number.

It is not a de Polignac number, because 25102130655 - 2¹ = 25102130653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25102130653) 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, 5194714 + ... + 5199543.

It is an arithmetic number, because the mean of its divisors is an integer number (1496773152).

Almost surely, 2^25102130655 is an apocalyptic number.

25102130655 is a deficient number, since it is larger than the sum of its proper divisors (22794610209).

25102130655 is a wasteful number, since it uses less digits than its factorization.

25102130655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394295.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 25102130655 in words is "twenty-five billion, one hundred two million, one hundred thirty thousand, six hundred fifty-five".