25130555279 has 8 divisors (see below), whose sum is σ = 25493204352. Its totient is φ = 24770138400.

The previous prime is 25130555273. The next prime is 25130555311. The reversal of 25130555279 is 97255503152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25130555279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130555273) 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 7 ways as a sum of consecutive naturals, for example, 535364 + ... + 580409.

It is an arithmetic number, because the mean of its divisors is an integer number (3186650544).

Almost surely, 2^25130555279 is an apocalyptic number.

25130555279 is a deficient number, since it is larger than the sum of its proper divisors (362649073).

25130555279 is a wasteful number, since it uses less digits than its factorization.

25130555279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116097.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 25130555279 in words is "twenty-five billion, one hundred thirty million, five hundred fifty-five thousand, two hundred seventy-nine".