11161807 has 2 divisors, whose sum is σ = 11161808. Its totient is φ = 11161806.

The previous prime is 11161789. The next prime is 11161847. The reversal of 11161807 is 70816111.

11161807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580903 + 5580904.

It is an arithmetic number, because the mean of its divisors is an integer number (5580904).

Almost surely, 2^11161807 is an apocalyptic number.

11161807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161807 is an equidigital number, since it uses as much as digits as its factorization.

11161807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 11161807 is about 3340.9290624017. The cubic root of 11161807 is about 223.4831768355.

Adding to 11161807 its reverse (70816111), we get a palindrome (81977918).

The spelling of 11161807 in words is "eleven million, one hundred sixty-one thousand, eight hundred seven".