11543401 has 8 divisors (see below), whose sum is σ = 12199680. Its totient is φ = 10900032.

The previous prime is 11543381. The next prime is 11543423. The reversal of 11543401 is 10434511.

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 11543401 - 2⁹ = 11542889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543491) 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, 1360 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (1524960).

Almost surely, 2^11543401 is an apocalyptic number.

It is an amenable number.

11543401 is a deficient number, since it is larger than the sum of its proper divisors (656279).

11543401 is an equidigital number, since it uses as much as digits as its factorization.

11543401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11543401 is about 3397.5580936902. The cubic root of 11543401 is about 226.0014683905.

Adding to 11543401 its reverse (10434511), we get a palindrome (21977912).

The spelling of 11543401 in words is "eleven million, five hundred forty-three thousand, four hundred one".