4011161591 has 2 divisors, whose sum is σ = 4011161592. Its totient is φ = 4011161590.

The previous prime is 4011161533. The next prime is 4011161597. The reversal of 4011161591 is 1951611104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4011161591 - 2³⁰ = 2937419767 is a prime.

It is a super-2 number, since 2×4011161591² = 32178834618227302562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011161597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005580795 + 2005580796.

It is an arithmetic number, because the mean of its divisors is an integer number (2005580796).

Almost surely, 2^4011161591 is an apocalyptic number.

4011161591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011161591 is an equidigital number, since it uses as much as digits as its factorization.

4011161591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 4011161591 is about 63333.7318575181. The cubic root of 4011161591 is about 1588.8761741998.

Adding to 4011161591 its reverse (1951611104), we get a palindrome (5962772695).

The spelling of 4011161591 in words is "four billion, eleven million, one hundred sixty-one thousand, five hundred ninety-one".