25428751255 has 8 divisors (see below), whose sum is σ = 30747437424. Its totient is φ = 20187710400.

The previous prime is 25428751247. The next prime is 25428751301. The reversal of 25428751255 is 55215782452.

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

It is not a de Polignac number, because 25428751255 - 2³ = 25428751247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19410606 + ... + 19411915.

It is an arithmetic number, because the mean of its divisors is an integer number (3843429678).

Almost surely, 2^25428751255 is an apocalyptic number.

25428751255 is a deficient number, since it is larger than the sum of its proper divisors (5318686169).

25428751255 is a wasteful number, since it uses less digits than its factorization.

25428751255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38822657.

The product of its digits is 1120000, while the sum is 46.

The spelling of 25428751255 in words is "twenty-five billion, four hundred twenty-eight million, seven hundred fifty-one thousand, two hundred fifty-five".