25455240255 has 8 divisors (see below), whose sum is σ = 40728384432. Its totient is φ = 13576128128.

The previous prime is 25455240163. The next prime is 25455240257. The reversal of 25455240255 is 55204255452.

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 25455240255 - 2⁷ = 25455240127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25455240257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848507994 + ... + 848508023.

It is an arithmetic number, because the mean of its divisors is an integer number (5091048054).

Almost surely, 2^25455240255 is an apocalyptic number.

25455240255 is a deficient number, since it is larger than the sum of its proper divisors (15273144177).

25455240255 is a wasteful number, since it uses less digits than its factorization.

25455240255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697016025.

The product of its (nonzero) digits is 400000, while the sum is 39.

The spelling of 25455240255 in words is "twenty-five billion, four hundred fifty-five million, two hundred forty thousand, two hundred fifty-five".