1139064911 has 4 divisors (see below), whose sum is σ = 1166847024. Its totient is φ = 1111282800.

The previous prime is 1139064907. The next prime is 1139064931. The reversal of 1139064911 is 1194609311.

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 1139064911 - 2² = 1139064907 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 (1139064931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890995 + ... + 13891076.

It is an arithmetic number, because the mean of its divisors is an integer number (291711756).

Almost surely, 2^1139064911 is an apocalyptic number.

1139064911 is a deficient number, since it is larger than the sum of its proper divisors (27782113).

1139064911 is an equidigital number, since it uses as much as digits as its factorization.

1139064911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27782112.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1139064911 is about 33750.0357184996. The cubic root of 1139064911 is about 1044.3582244098.

The spelling of 1139064911 in words is "one billion, one hundred thirty-nine million, sixty-four thousand, nine hundred eleven".