11606131 has 4 divisors (see below), whose sum is σ = 12217000. Its totient is φ = 10995264.

The previous prime is 11606129. The next prime is 11606137. The reversal of 11606131 is 13160611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13160611 = 47 ⋅280013.

It is a cyclic number.

It is not a de Polignac number, because 11606131 - 2¹ = 11606129 is a prime.

It is a super-2 number, since 2×11606131² = 269404553578322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 610849 = 11606131 / (1 + 1 + 6 + 0 + 6 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 11606099 and 11606108.

It is not an unprimeable number, because it can be changed into a prime (11606137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305406 + ... + 305443.

It is an arithmetic number, because the mean of its divisors is an integer number (3054250).

Almost surely, 2^11606131 is an apocalyptic number.

11606131 is a deficient number, since it is larger than the sum of its proper divisors (610869).

11606131 is an equidigital number, since it uses as much as digits as its factorization.

11606131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610868.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11606131 is about 3406.7772160797. Note that the first 3 decimals coincide. The cubic root of 11606131 is about 226.4101136608.

Adding to 11606131 its reverse (13160611), we get a palindrome (24766742).

The spelling of 11606131 in words is "eleven million, six hundred six thousand, one hundred thirty-one".