1164091543 has 2 divisors, whose sum is σ = 1164091544. Its totient is φ = 1164091542.

The previous prime is 1164091531. The next prime is 1164091561. The reversal of 1164091543 is 3451904611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164091543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1164091499 and 1164091508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164091573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582045771 + 582045772.

It is an arithmetic number, because the mean of its divisors is an integer number (582045772).

Almost surely, 2^1164091543 is an apocalyptic number.

1164091543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164091543 is an equidigital number, since it uses as much as digits as its factorization.

1164091543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1164091543 is about 34118.7857785121. The cubic root of 1164091543 is about 1051.9514858451.

The spelling of 1164091543 in words is "one billion, one hundred sixty-four million, ninety-one thousand, five hundred forty-three".