11641169 has 4 divisors (see below), whose sum is σ = 11685696. Its totient is φ = 11596644.

The previous prime is 11641153. The next prime is 11641177. The reversal of 11641169 is 96114611.

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: 96114611 = 4519 ⋅21269.

It is a cyclic number.

It is not a de Polignac number, because 11641169 - 2⁴ = 11641153 is a prime.

It is a super-2 number, since 2×11641169² = 271033631373122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11641109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21869 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (2921424).

Almost surely, 2^11641169 is an apocalyptic number.

It is an amenable number.

11641169 is a deficient number, since it is larger than the sum of its proper divisors (44527).

11641169 is an equidigital number, since it uses as much as digits as its factorization.

11641169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44526.

The product of its digits is 1296, while the sum is 29.

The square root of 11641169 is about 3411.9157375293. The cubic root of 11641169 is about 226.6377228998.

The spelling of 11641169 in words is "eleven million, six hundred forty-one thousand, one hundred sixty-nine".