11611043 has 2 divisors, whose sum is σ = 11611044. Its totient is φ = 11611042.

The previous prime is 11611037. The next prime is 11611057. The reversal of 11611043 is 34011611.

11611043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11611043 - 2¹⁰ = 11610019 is a prime.

It is not a weakly prime, because it can be changed into another prime (11611013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805521 + 5805522.

It is an arithmetic number, because the mean of its divisors is an integer number (5805522).

Almost surely, 2^11611043 is an apocalyptic number.

11611043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611043 is an equidigital number, since it uses as much as digits as its factorization.

11611043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11611043 is about 3407.4980557588. The cubic root of 11611043 is about 226.4420499315.

Adding to 11611043 its reverse (34011611), we get a palindrome (45622654).

The spelling of 11611043 in words is "eleven million, six hundred eleven thousand, forty-three".