855469247015 has 16 divisors (see below), whose sum is σ = 1028160726528. Its totient is φ = 683310884256.

The previous prime is 855469246997. The next prime is 855469247063. The reversal of 855469247015 is 510742964558.

It is a cyclic number.

It is not a de Polignac number, because 855469247015 - 2¹⁰ = 855469245991 is a prime.

It is a super-2 number, since 2×855469247015² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12586814 + ... + 12654596.

It is an arithmetic number, because the mean of its divisors is an integer number (64260045408).

Almost surely, 2^855469247015 is an apocalyptic number.

855469247015 is a deficient number, since it is larger than the sum of its proper divisors (172691479513).

855469247015 is a wasteful number, since it uses less digits than its factorization.

855469247015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71678.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 855469247015 in words is "eight hundred fifty-five billion, four hundred sixty-nine million, two hundred forty-seven thousand, fifteen".