855268856303531 has 4 divisors (see below), whose sum is σ = 856131892486464. Its totient is φ = 854405820120600.

The previous prime is 855268856303513. The next prime is 855268856303569. The reversal of 855268856303531 is 135303658862558.

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 855268856303531 - 2³⁴ = 855251676434347 is a prime.

It is a super-2 number, since 2×855268856303531² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855268856303831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431518089980 + ... + 431518091961.

It is an arithmetic number, because the mean of its divisors is an integer number (214032973121616).

Almost surely, 2^{855268856303531} is an apocalyptic number.

855268856303531 is a deficient number, since it is larger than the sum of its proper divisors (863036182933).

855268856303531 is an equidigital number, since it uses as much as digits as its factorization.

855268856303531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863036182932.

The product of its (nonzero) digits is 622080000, while the sum is 68.

The spelling of 855268856303531 in words is "eight hundred fifty-five trillion, two hundred sixty-eight billion, eight hundred fifty-six million, three hundred three thousand, five hundred thirty-one".