11542231 has 2 divisors, whose sum is σ = 11542232. Its totient is φ = 11542230.

The previous prime is 11542217. The next prime is 11542241. The reversal of 11542231 is 13224511.

11542231 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 is a cyclic number.

It is not a de Polignac number, because 11542231 - 2¹⁷ = 11411159 is a prime.

It is a super-2 number, since 2×11542231² = 266446192914722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11542199 and 11542208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542211) 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, 5771115 + 5771116.

It is an arithmetic number, because the mean of its divisors is an integer number (5771116).

Almost surely, 2^11542231 is an apocalyptic number.

11542231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542231 is an equidigital number, since it uses as much as digits as its factorization.

11542231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 11542231 is about 3397.3859068407. The cubic root of 11542231 is about 225.9938325516.

Adding to 11542231 its reverse (13224511), we get a palindrome (24766742).

The spelling of 11542231 in words is "eleven million, five hundred forty-two thousand, two hundred thirty-one".