25855255852 has 6 divisors (see below), whose sum is σ = 45246697748. Its totient is φ = 12927627924.

The previous prime is 25855255849. The next prime is 25855255859.

25855255852 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25855255852.

It is not an unprimeable number, because it can be changed into a prime (25855255859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231906978 + ... + 3231906985.

Almost surely, 2^25855255852 is an apocalyptic number.

It is an amenable number.

25855255852 is a deficient number, since it is larger than the sum of its proper divisors (19391441896).

25855255852 is a wasteful number, since it uses less digits than its factorization.

25855255852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463813967 (or 6463813965 counting only the distinct ones).

The product of its digits is 8000000, while the sum is 52.

The spelling of 25855255852 in words is "twenty-five billion, eight hundred fifty-five million, two hundred fifty-five thousand, eight hundred fifty-two".