11481769 has 4 divisors (see below), whose sum is σ = 12364996. Its totient is φ = 10598544.

The previous prime is 11481737. The next prime is 11481773. The reversal of 11481769 is 96718411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 9535744 = 1395^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 11481769 - 2⁵ = 11481737 is a prime.

It is a super-2 number, since 2×11481769² = 263662038738722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11481269) 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, 441594 + ... + 441619.

It is an arithmetic number, because the mean of its divisors is an integer number (3091249).

Almost surely, 2^11481769 is an apocalyptic number.

It is an amenable number.

11481769 is a deficient number, since it is larger than the sum of its proper divisors (883227).

11481769 is an equidigital number, since it uses as much as digits as its factorization.

11481769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883226.

The product of its digits is 12096, while the sum is 37.

The square root of 11481769 is about 3388.4759110845. The cubic root of 11481769 is about 225.5985315134.

The spelling of 11481769 in words is "eleven million, four hundred eighty-one thousand, seven hundred sixty-nine".