11418157 has 2 divisors, whose sum is σ = 11418158. Its totient is φ = 11418156.

The previous prime is 11418119. The next prime is 11418181. The reversal of 11418157 is 75181411.

11418157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 1999396 = 3069^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 11418157 - 2¹¹ = 11416109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11418457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5709078 + 5709079.

It is an arithmetic number, because the mean of its divisors is an integer number (5709079).

Almost surely, 2^11418157 is an apocalyptic number.

It is an amenable number.

11418157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11418157 is an equidigital number, since it uses as much as digits as its factorization.

11418157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 28.

The square root of 11418157 is about 3379.0763530882. The cubic root of 11418157 is about 225.1811347979.

Adding to 11418157 its reverse (75181411), we get a palindrome (86599568).

The spelling of 11418157 in words is "eleven million, four hundred eighteen thousand, one hundred fifty-seven".