855264205351 has 4 divisors (see below), whose sum is σ = 856048133304. Its totient is φ = 854480277400.

The previous prime is 855264205343. The next prime is 855264205357. The reversal of 855264205351 is 153502462558.

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 855264205351 - 2³ = 855264205343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855264205357) 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, 391962340 + ... + 391964521.

It is an arithmetic number, because the mean of its divisors is an integer number (214012033326).

Almost surely, 2^855264205351 is an apocalyptic number.

855264205351 is a deficient number, since it is larger than the sum of its proper divisors (783927953).

855264205351 is a wasteful number, since it uses less digits than its factorization.

855264205351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783927952.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 855264205351 in words is "eight hundred fifty-five billion, two hundred sixty-four million, two hundred five thousand, three hundred fifty-one".