855583484451 has 16 divisors (see below), whose sum is σ = 1166255681664. Its totient is φ = 557774420544.

The previous prime is 855583484363. The next prime is 855583484461. The reversal of 855583484451 is 154484385558.

It is not a de Polignac number, because 855583484451 - 2¹⁵ = 855583451683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855583484461) 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 15 ways as a sum of consecutive naturals, for example, 15507625 + ... + 15562698.

It is an arithmetic number, because the mean of its divisors is an integer number (72890980104).

Almost surely, 2^855583484451 is an apocalyptic number.

855583484451 is a deficient number, since it is larger than the sum of its proper divisors (310672197213).

855583484451 is a wasteful number, since it uses less digits than its factorization.

855583484451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31070530.

The product of its digits is 61440000, while the sum is 60.

The spelling of 855583484451 in words is "eight hundred fifty-five billion, five hundred eighty-three million, four hundred eighty-four thousand, four hundred fifty-one".