11161319 has 4 divisors (see below), whose sum is σ = 12019896. Its totient is φ = 10302744.

The previous prime is 11161301. The next prime is 11161321. The reversal of 11161319 is 91316111.

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 11161319 - 2¹⁶ = 11095783 is a prime.

It is a super-2 number, since 2×11161319² = 249150083639522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11161294 and 11161303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161019) 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, 429269 + ... + 429294.

It is an arithmetic number, because the mean of its divisors is an integer number (3004974).

Almost surely, 2^11161319 is an apocalyptic number.

11161319 is a deficient number, since it is larger than the sum of its proper divisors (858577).

11161319 is an equidigital number, since it uses as much as digits as its factorization.

11161319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858576.

The product of its digits is 162, while the sum is 23.

The square root of 11161319 is about 3340.8560280264. The cubic root of 11161319 is about 223.4799198545.

The spelling of 11161319 in words is "eleven million, one hundred sixty-one thousand, three hundred nineteen".