855256652558 has 24 divisors (see below), whose sum is σ = 1611557993136. Its totient is φ = 333216876960.

The previous prime is 855256652539. The next prime is 855256652563.

855256652558 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 855256652558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252435335 + ... + 252438722.

It is an arithmetic number, because the mean of its divisors is an integer number (67148249714).

Almost surely, 2^855256652558 is an apocalyptic number.

855256652558 is a deficient number, since it is larger than the sum of its proper divisors (756301340578).

855256652558 is a wasteful number, since it uses less digits than its factorization.

855256652558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504874088 (or 504874077 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 62.

The spelling of 855256652558 in words is "eight hundred fifty-five billion, two hundred fifty-six million, six hundred fifty-two thousand, five hundred fifty-eight".