11745543 has 8 divisors (see below), whose sum is σ = 15926400. Its totient is φ = 7697528.

The previous prime is 11745541. The next prime is 11745581. The reversal of 11745543 is 34554711.

11745543 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11745543 - 2¹ = 11745541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11745543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33003 + ... + 33356.

It is an arithmetic number, because the mean of its divisors is an integer number (1990800).

Almost surely, 2^11745543 is an apocalyptic number.

11745543 is a deficient number, since it is larger than the sum of its proper divisors (4180857).

11745543 is an equidigital number, since it uses as much as digits as its factorization.

11745543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66421.

The product of its digits is 8400, while the sum is 30.

The square root of 11745543 is about 3427.1771182710. The cubic root of 11745543 is about 227.3130485212.

The spelling of 11745543 in words is "eleven million, seven hundred forty-five thousand, five hundred forty-three".