8091185939001 has 27 divisors (see below), whose sum is σ = 12846485573103. Its totient is φ = 4903692163920.

The previous prime is 8091185938921. The next prime is 8091185939017. The reversal of 8091185939001 is 1009395811908.

The square root of 8091185939001 is 2844501.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31696461225 + 8059489477776 = 178035^2 + 2838924^2 .

It is not a de Polignac number, because 8091185939001 - 2⁹ = 8091185938489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8091185939101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93825435 + ... + 93911631.

Almost surely, 2^{8091185939001} is an apocalyptic number.

8091185939001 is the 2844501-st square number.

8091185939001 is the 1422251-st centered octagonal number.

It is an amenable number.

8091185939001 is a deficient number, since it is larger than the sum of its proper divisors (4755299634102).

8091185939001 is an frugal number, since it uses more digits than its factorization.

8091185939001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172422 (or 86211 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 54.

The spelling of 8091185939001 in words is "eight trillion, ninety-one billion, one hundred eighty-five million, nine hundred thirty-nine thousand, one".