11164543 has 8 divisors (see below), whose sum is σ = 12135200. Its totient is φ = 10209888.

The previous prime is 11164519. The next prime is 11164553. The reversal of 11164543 is 34546111.

11164543 is digitally balanced in base 3, because in such base 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 de Polignac number, because none of the positive numbers 2^k-11164543 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 (11164553) 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, 2523 + ... + 5356.

It is an arithmetic number, because the mean of its divisors is an integer number (1516900).

Almost surely, 2^11164543 is an apocalyptic number.

11164543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11164543 is a deficient number, since it is larger than the sum of its proper divisors (970657).

11164543 is a wasteful number, since it uses less digits than its factorization.

11164543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001.

The product of its digits is 1440, while the sum is 25.

The square root of 11164543 is about 3341.3385042525. The cubic root of 11164543 is about 223.5014355284.

The spelling of 11164543 in words is "eleven million, one hundred sixty-four thousand, five hundred forty-three".