11061439 has 4 divisors (see below), whose sum is σ = 11643640. Its totient is φ = 10479240.

The previous prime is 11061437. The next prime is 11061443. The reversal of 11061439 is 93416011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11061439 - 2¹ = 11061437 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 (11061433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291072 + ... + 291109.

It is an arithmetic number, because the mean of its divisors is an integer number (2910910).

Almost surely, 2^11061439 is an apocalyptic number.

11061439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11061439 is a deficient number, since it is larger than the sum of its proper divisors (582201).

11061439 is an equidigital number, since it uses as much as digits as its factorization.

11061439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582200.

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

The square root of 11061439 is about 3325.8741708008. The cubic root of 11061439 is about 222.8112984696.

The spelling of 11061439 in words is "eleven million, sixty-one thousand, four hundred thirty-nine".