11081139 has 8 divisors (see below), whose sum is σ = 14823312. Its totient is φ = 7363200.

The previous prime is 11081137. The next prime is 11081153. The reversal of 11081139 is 93118011.

11081139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11081139 - 2¹ = 11081137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11081137) 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, 4962 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (1852914).

Almost surely, 2^11081139 is an apocalyptic number.

11081139 is a deficient number, since it is larger than the sum of its proper divisors (3742173).

11081139 is a wasteful number, since it uses less digits than its factorization.

11081139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12117.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 11081139 is about 3328.8344807154. The cubic root of 11081139 is about 222.9434928246.

The spelling of 11081139 in words is "eleven million, eighty-one thousand, one hundred thirty-nine".