11056743 has 28 divisors (see below), whose sum is σ = 17181960. Its totient is φ = 7103376.

The previous prime is 11056733. The next prime is 11056751. The reversal of 11056743 is 34765011.

It is not a de Polignac number, because 11056743 - 2¹⁰ = 11055719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056733) 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 in 27 ways as a sum of consecutive naturals, for example, 20880 + ... + 21402.

Almost surely, 2^11056743 is an apocalyptic number.

11056743 is a deficient number, since it is larger than the sum of its proper divisors (6125217).

11056743 is an frugal number, since it uses more digits than its factorization.

11056743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 11056743 is about 3325.1681160507. The cubic root of 11056743 is about 222.7797633936.

The spelling of 11056743 in words is "eleven million, fifty-six thousand, seven hundred forty-three".