811171114090 has 8 divisors (see below), whose sum is σ = 1460108005380. Its totient is φ = 324468445632.

The previous prime is 811171114087. The next prime is 811171114111. The reversal of 811171114090 is 90411171118.

It can be written as a sum of positive squares in 2 ways, for example, as 771908087889 + 39263026201 = 878583^2 + 198149^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40558555695 + ... + 40558555714.

Almost surely, 2^811171114090 is an apocalyptic number.

811171114090 is a deficient number, since it is larger than the sum of its proper divisors (648936891290).

811171114090 is a wasteful number, since it uses less digits than its factorization.

811171114090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81117111416.

The product of its (nonzero) digits is 2016, while the sum is 34.

The spelling of 811171114090 in words is "eight hundred eleven billion, one hundred seventy-one million, one hundred fourteen thousand, ninety".