11530157 has 2 divisors, whose sum is σ = 11530158. Its totient is φ = 11530156.

The previous prime is 11530133. The next prime is 11530177. The reversal of 11530157 is 75103511.

11530157 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., 9357481 + 2172676 = 3059^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 11530157 - 2⁸ = 11529901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765078 + 5765079.

It is an arithmetic number, because the mean of its divisors is an integer number (5765079).

Almost surely, 2^11530157 is an apocalyptic number.

It is an amenable number.

11530157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530157 is an equidigital number, since it uses as much as digits as its factorization.

11530157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 11530157 is about 3395.6084874437. The cubic root of 11530157 is about 225.9150031484.

Adding to 11530157 its reverse (75103511), we get a palindrome (86633668).

The spelling of 11530157 in words is "eleven million, five hundred thirty thousand, one hundred fifty-seven".