855731032215 has 8 divisors (see below), whose sum is σ = 1369169651568. Its totient is φ = 456389883840.

The previous prime is 855731032159. The next prime is 855731032267. The reversal of 855731032215 is 512230137558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855731032215 - 2¹⁷ = 855730901143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28524367726 + ... + 28524367755.

It is an arithmetic number, because the mean of its divisors is an integer number (171146206446).

Almost surely, 2^855731032215 is an apocalyptic number.

855731032215 is a deficient number, since it is larger than the sum of its proper divisors (513438619353).

855731032215 is a wasteful number, since it uses less digits than its factorization.

855731032215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57048735489.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 855731032215 in words is "eight hundred fifty-five billion, seven hundred thirty-one million, thirty-two thousand, two hundred fifteen".