805148311 has 8 divisors (see below), whose sum is σ = 878912784. Its totient is φ = 731478720.

The previous prime is 805148299. The next prime is 805148341. The reversal of 805148311 is 113841508.

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

It is a cyclic number.

It is not a de Polignac number, because 805148311 - 2²¹ = 803051159 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 (805148341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5350 + ... + 40483.

It is an arithmetic number, because the mean of its divisors is an integer number (109864098).

Almost surely, 2^805148311 is an apocalyptic number.

805148311 is a deficient number, since it is larger than the sum of its proper divisors (73764473).

805148311 is a wasteful number, since it uses less digits than its factorization.

805148311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47441.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 805148311 is about 28375.1354358001. The cubic root of 805148311 is about 930.3048721045.

Adding to 805148311 its reverse (113841508), we get a palindrome (918989819).

The spelling of 805148311 in words is "eight hundred five million, one hundred forty-eight thousand, three hundred eleven".