11433157 has 4 divisors (see below), whose sum is σ = 11440780. Its totient is φ = 11425536.

The previous prime is 11433143. The next prime is 11433179. The reversal of 11433157 is 75133411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 7568001 = 1966^2 + 2751^2 .

It is a cyclic number.

It is not a de Polignac number, because 11433157 - 2¹¹ = 11431109 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 (11433557) 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 in 3 ways as a sum of consecutive naturals, for example, 732 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (2860195).

Almost surely, 2^11433157 is an apocalyptic number.

It is an amenable number.

11433157 is a deficient number, since it is larger than the sum of its proper divisors (7623).

11433157 is an equidigital number, since it uses as much as digits as its factorization.

11433157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622.

The product of its digits is 1260, while the sum is 25.

The square root of 11433157 is about 3381.2951660569. The cubic root of 11433157 is about 225.2796982526.

Adding to 11433157 its reverse (75133411), we get a palindrome (86566568).

The spelling of 11433157 in words is "eleven million, four hundred thirty-three thousand, one hundred fifty-seven".