11161279 has 8 divisors (see below), whose sum is σ = 11686752. Its totient is φ = 10639200.

The previous prime is 11161229. The next prime is 11161289. The reversal of 11161279 is 97216111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161279 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 (11161219) 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, 7929 + ... + 9229.

It is an arithmetic number, because the mean of its divisors is an integer number (1460844).

Almost surely, 2^11161279 is an apocalyptic number.

11161279 is a deficient number, since it is larger than the sum of its proper divisors (525473).

11161279 is a wasteful number, since it uses less digits than its factorization.

11161279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its digits is 756, while the sum is 28.

The square root of 11161279 is about 3340.8500415313. The cubic root of 11161279 is about 223.4796528846.

The spelling of 11161279 in words is "eleven million, one hundred sixty-one thousand, two hundred seventy-nine".