831494004054011 has 2 divisors, whose sum is σ = 831494004054012. Its totient is φ = 831494004054010.

The previous prime is 831494004053903. The next prime is 831494004054017. The reversal of 831494004054011 is 110450400494138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 831494004054011 - 2²² = 831493999859707 is a prime.

It is a super-2 number, since 2×831494004054011² (a number of 31 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (831494004054017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415747002027005 + 415747002027006.

It is an arithmetic number, because the mean of its divisors is an integer number (415747002027006).

Almost surely, 2^{831494004054011} is an apocalyptic number.

831494004054011 is a deficient number, since it is larger than the sum of its proper divisors (1).

831494004054011 is an equidigital number, since it uses as much as digits as its factorization.

831494004054011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 831494004054011 in words is "eight hundred thirty-one trillion, four hundred ninety-four billion, four million, fifty-four thousand, eleven".