11157743 has 4 divisors (see below), whose sum is σ = 11167008. Its totient is φ = 11148480.

The previous prime is 11157739. The next prime is 11157767. The reversal of 11157743 is 34775111.

11157743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11157743 - 2² = 11157739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (2791752).

Almost surely, 2^11157743 is an apocalyptic number.

11157743 is a deficient number, since it is larger than the sum of its proper divisors (9265).

11157743 is an equidigital number, since it uses as much as digits as its factorization.

11157743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264.

The product of its digits is 2940, while the sum is 29.

The square root of 11157743 is about 3340.3207929778. The cubic root of 11157743 is about 223.4560502277.

The spelling of 11157743 in words is "eleven million, one hundred fifty-seven thousand, seven hundred forty-three".