25788912459 has 8 divisors (see below), whose sum is σ = 34509352080. Its totient is φ = 17130540576.

The previous prime is 25788912451. The next prime is 25788912463. The reversal of 25788912459 is 95421988752.

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

It is not a de Polignac number, because 25788912459 - 2³ = 25788912451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25788912451) 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, 15515964 + ... + 15517625.

It is an arithmetic number, because the mean of its divisors is an integer number (4313669010).

Almost surely, 2^25788912459 is an apocalyptic number.

25788912459 is a deficient number, since it is larger than the sum of its proper divisors (8720439621).

25788912459 is a wasteful number, since it uses less digits than its factorization.

25788912459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31033869.

The product of its digits is 14515200, while the sum is 60.

The spelling of 25788912459 in words is "twenty-five billion, seven hundred eighty-eight million, nine hundred twelve thousand, four hundred fifty-nine".