25282858551 has 32 divisors (see below), whose sum is σ = 35042042880. Its totient is φ = 16204406400.

The previous prime is 25282858547. The next prime is 25282858589. The reversal of 25282858551 is 15585828252.

It is not a de Polignac number, because 25282858551 - 2² = 25282858547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25282858494 and 25282858503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25282858501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2623620 + ... + 2633238.

It is an arithmetic number, because the mean of its divisors is an integer number (1095063840).

Almost surely, 2^25282858551 is an apocalyptic number.

25282858551 is a deficient number, since it is larger than the sum of its proper divisors (9759184329).

25282858551 is a wasteful number, since it uses less digits than its factorization.

25282858551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its digits is 2560000, while the sum is 51.

The spelling of 25282858551 in words is "twenty-five billion, two hundred eighty-two million, eight hundred fifty-eight thousand, five hundred fifty-one".