6805531455 has 16 divisors (see below), whose sum is σ = 10890064224. Its totient is φ = 3629212160.

The previous prime is 6805531451. The next prime is 6805531459. The reversal of 6805531455 is 5541355086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6805531451) and next prime (6805531459).

It is not a de Polignac number, because 6805531455 - 2² = 6805531451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6805531451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155395 + ... + 194315.

It is an arithmetic number, because the mean of its divisors is an integer number (680629014).

Almost surely, 2^6805531455 is an apocalyptic number.

6805531455 is a deficient number, since it is larger than the sum of its proper divisors (4084532769).

6805531455 is a wasteful number, since it uses less digits than its factorization.

6805531455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50586.

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 6805531455 is about 82495.6450668761. The cubic root of 6805531455 is about 1895.0500382449.

The spelling of 6805531455 in words is "six billion, eight hundred five million, five hundred thirty-one thousand, four hundred fifty-five".