25791715351 has 8 divisors (see below), whose sum is σ = 26017140240. Its totient is φ = 25566860352.

The previous prime is 25791715349. The next prime is 25791715403. The reversal of 25791715351 is 15351719752.

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

It is a cyclic number.

It is not a de Polignac number, because 25791715351 - 2¹ = 25791715349 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 (25791715951) 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, 51310 + ... + 232843.

It is an arithmetic number, because the mean of its divisors is an integer number (3252142530).

Almost surely, 2^25791715351 is an apocalyptic number.

25791715351 is a deficient number, since it is larger than the sum of its proper divisors (225424889).

25791715351 is a wasteful number, since it uses less digits than its factorization.

25791715351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284945.

The product of its digits is 330750, while the sum is 46.

The spelling of 25791715351 in words is "twenty-five billion, seven hundred ninety-one million, seven hundred fifteen thousand, three hundred fifty-one".