11139859 has 2 divisors, whose sum is σ = 11139860. Its totient is φ = 11139858.

The previous prime is 11139853. The next prime is 11139899. The reversal of 11139859 is 95893111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11139859 - 2³ = 11139851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11139851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5569929 + 5569930.

It is an arithmetic number, because the mean of its divisors is an integer number (5569930).

Almost surely, 2^11139859 is an apocalyptic number.

11139859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11139859 is an equidigital number, since it uses as much as digits as its factorization.

11139859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 37.

The square root of 11139859 is about 3337.6427310304. The cubic root of 11139859 is about 223.3365987988.

The spelling of 11139859 in words is "eleven million, one hundred thirty-nine thousand, eight hundred fifty-nine".