855611320283 has 4 divisors (see below), whose sum is σ = 875509258008. Its totient is φ = 835713382560.

The previous prime is 855611320261. The next prime is 855611320379. The reversal of 855611320283 is 382023116558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855611320283 - 2⁶ = 855611320219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855611328283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9948968798 + ... + 9948968883.

It is an arithmetic number, because the mean of its divisors is an integer number (218877314502).

Almost surely, 2^855611320283 is an apocalyptic number.

855611320283 is a deficient number, since it is larger than the sum of its proper divisors (19897937725).

855611320283 is a wasteful number, since it uses less digits than its factorization.

855611320283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19897937724.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 855611320283 in words is "eight hundred fifty-five billion, six hundred eleven million, three hundred twenty thousand, two hundred eighty-three".