11145839 has 2 divisors, whose sum is σ = 11145840. Its totient is φ = 11145838.

The previous prime is 11145817. The next prime is 11145899. The reversal of 11145839 is 93854111.

11145839 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 11145839 - 2⁸ = 11145583 is a prime.

It is a super-3 number, since 3×11145839³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11145899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572919 + 5572920.

It is an arithmetic number, because the mean of its divisors is an integer number (5572920).

Almost surely, 2^11145839 is an apocalyptic number.

11145839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145839 is an equidigital number, since it uses as much as digits as its factorization.

11145839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 11145839 is about 3338.5384526766. The cubic root of 11145839 is about 223.3765548387.

The spelling of 11145839 in words is "eleven million, one hundred forty-five thousand, eight hundred thirty-nine".