811447023118 has 32 divisors (see below), whose sum is σ = 1233948672000. Its totient is φ = 400167462240.

The previous prime is 811447023109. The next prime is 811447023193. The reversal of 811447023118 is 811320744118.

It is a happy 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, 75555393 + ... + 75566131.

It is an arithmetic number, because the mean of its divisors is an integer number (38560896000).

Almost surely, 2^811447023118 is an apocalyptic number.

811447023118 is a deficient number, since it is larger than the sum of its proper divisors (422501648882).

811447023118 is a wasteful number, since it uses less digits than its factorization.

811447023118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 811447023118 in words is "eight hundred eleven billion, four hundred forty-seven million, twenty-three thousand, one hundred eighteen".