11745161 has 4 divisors (see below), whose sum is σ = 11760000. Its totient is φ = 11730324.

The previous prime is 11745133. The next prime is 11745191. The reversal of 11745161 is 16154711.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 16154711 = 29 ⋅557059.

It is a cyclic number.

It is not a de Polignac number, because 11745161 - 2¹⁰ = 11744137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11745161.

It is not an unprimeable number, because it can be changed into a prime (11745121) 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, 6161 + ... + 7838.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^11745161 is an apocalyptic number.

It is an amenable number.

11745161 is a deficient number, since it is larger than the sum of its proper divisors (14839).

11745161 is an equidigital number, since it uses as much as digits as its factorization.

11745161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838.

The product of its digits is 840, while the sum is 26.

The square root of 11745161 is about 3427.1213868201. The cubic root of 11745161 is about 227.3105841956.

Adding to 11745161 its reverse (16154711), we get a palindrome (27899872).

The spelling of 11745161 in words is "eleven million, seven hundred forty-five thousand, one hundred sixty-one".