10811543 has 2 divisors, whose sum is σ = 10811544. Its totient is φ = 10811542.

The previous prime is 10811539. The next prime is 10811597. The reversal of 10811543 is 34511801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10811543 - 2² = 10811539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10811503) 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, 5405771 + 5405772.

It is an arithmetic number, because the mean of its divisors is an integer number (5405772).

Almost surely, 2^10811543 is an apocalyptic number.

10811543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10811543 is an equidigital number, since it uses as much as digits as its factorization.

10811543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10811543 is about 3288.0910875461. The cubic root of 10811543 is about 221.1206114637.

The spelling of 10811543 in words is "ten million, eight hundred eleven thousand, five hundred forty-three".