11543113 has 2 divisors, whose sum is σ = 11543114. Its totient is φ = 11543112.

The previous prime is 11543101. The next prime is 11543123. The reversal of 11543113 is 31134511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9193024 + 2350089 = 3032^2 + 1533^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543113 - 2¹⁷ = 11412041 is a prime.

It is not a weakly prime, because it can be changed into another prime (11543123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771556 + 5771557.

It is an arithmetic number, because the mean of its divisors is an integer number (5771557).

Almost surely, 2^11543113 is an apocalyptic number.

It is an amenable number.

11543113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543113 is an equidigital number, since it uses as much as digits as its factorization.

11543113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 19.

The square root of 11543113 is about 3397.5157100446. The cubic root of 11543113 is about 225.9995888472. Note that the first 3 decimals are identical.

Adding to 11543113 its reverse (31134511), we get a palindrome (42677624).

The spelling of 11543113 in words is "eleven million, five hundred forty-three thousand, one hundred thirteen".