11161745 has 8 divisors (see below), whose sum is σ = 15307584. Its totient is φ = 7653744.

The previous prime is 11161687. The next prime is 11161763. The reversal of 11161745 is 54716111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11161745 - 2⁶ = 11161681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159419 + ... + 159488.

It is an arithmetic number, because the mean of its divisors is an integer number (1913448).

Almost surely, 2^11161745 is an apocalyptic number.

It is an amenable number.

11161745 is a deficient number, since it is larger than the sum of its proper divisors (4145839).

11161745 is an equidigital number, since it uses as much as digits as its factorization.

11161745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318919.

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

The square root of 11161745 is about 3340.9197835327. The cubic root of 11161745 is about 223.4827630440.

Adding to 11161745 its reverse (54716111), we get a palindrome (65877856).

The spelling of 11161745 in words is "eleven million, one hundred sixty-one thousand, seven hundred forty-five".