855085449003 has 16 divisors (see below), whose sum is σ = 1212900702336. Its totient is φ = 533981427840.

The previous prime is 855085448999. The next prime is 855085449013. The reversal of 855085449003 is 300944580558.

It is not a de Polignac number, because 855085449003 - 2² = 855085448999 is a prime.

It is a super-2 number, since 2×855085449003² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (855085449013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39720001 + ... + 39741522.

It is an arithmetic number, because the mean of its divisors is an integer number (75806293896).

Almost surely, 2^855085449003 is an apocalyptic number.

855085449003 is a deficient number, since it is larger than the sum of its proper divisors (357815253333).

855085449003 is a wasteful number, since it uses less digits than its factorization.

855085449003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79461754.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 855085449003 in words is "eight hundred fifty-five billion, eighty-five million, four hundred forty-nine thousand, three".