11240685169 has 8 divisors (see below), whose sum is σ = 13145253440. Its totient is φ = 9410805936.

The previous prime is 11240685163. The next prime is 11240685179. The reversal of 11240685169 is 96158604211.

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

It is not a de Polignac number, because 11240685169 - 2³ = 11240685161 is a prime.

It is a super-2 number, since 2×11240685169² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11240685161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18671934 + ... + 18672535.

It is an arithmetic number, because the mean of its divisors is an integer number (1643156680).

Almost surely, 2^11240685169 is an apocalyptic number.

It is an amenable number.

11240685169 is a deficient number, since it is larger than the sum of its proper divisors (1904568271).

11240685169 is an equidigital number, since it uses as much as digits as its factorization.

11240685169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37344519.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11240685169 in words is "eleven billion, two hundred forty million, six hundred eighty-five thousand, one hundred sixty-nine".