11690143 has 2 divisors, whose sum is σ = 11690144. Its totient is φ = 11690142.

The previous prime is 11690137. The next prime is 11690153. The reversal of 11690143 is 34109611.

11690143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11690143 - 2⁹ = 11689631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11690123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5845071 + 5845072.

It is an arithmetic number, because the mean of its divisors is an integer number (5845072).

Almost surely, 2^11690143 is an apocalyptic number.

11690143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11690143 is an equidigital number, since it uses as much as digits as its factorization.

11690143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11690143 is about 3419.0851115467. The cubic root of 11690143 is about 226.9550973046.

Adding to 11690143 its reverse (34109611), we get a palindrome (45799754).

The spelling of 11690143 in words is "eleven million, six hundred ninety thousand, one hundred forty-three".