11431061 has 4 divisors (see below), whose sum is σ = 11437824. Its totient is φ = 11424300.

The previous prime is 11431037. The next prime is 11431067. The reversal of 11431061 is 16013411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11431061 - 2¹⁰ = 11430037 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 (11431067) 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, 1676 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (2859456).

Almost surely, 2^11431061 is an apocalyptic number.

It is an amenable number.

11431061 is a deficient number, since it is larger than the sum of its proper divisors (6763).

11431061 is an equidigital number, since it uses as much as digits as its factorization.

11431061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762.

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

The square root of 11431061 is about 3380.9852114436. The cubic root of 11431061 is about 225.2659308361.

Adding to 11431061 its reverse (16013411), we get a palindrome (27444472).

The spelling of 11431061 in words is "eleven million, four hundred thirty-one thousand, sixty-one".