25129041279 has 8 divisors (see below), whose sum is σ = 33510149760. Its totient is φ = 16750313496.

The previous prime is 25129041269. The next prime is 25129041307. The reversal of 25129041279 is 97214092152.

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

It is not a de Polignac number, because 25129041279 - 2¹¹ = 25129039231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25129041279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25129041229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570397 + ... + 612870.

It is an arithmetic number, because the mean of its divisors is an integer number (4188768720).

Almost surely, 2^25129041279 is an apocalyptic number.

25129041279 is a deficient number, since it is larger than the sum of its proper divisors (8381108481).

25129041279 is a wasteful number, since it uses less digits than its factorization.

25129041279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190349.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 25129041279 in words is "twenty-five billion, one hundred twenty-nine million, forty-one thousand, two hundred seventy-nine".