11188773441 has 12 divisors (see below), whose sum is σ = 16170974820. Its totient is φ = 7454837760.

The previous prime is 11188773353. The next prime is 11188773451. The reversal of 11188773441 is 14437788111.

It can be written as a sum of positive squares in 2 ways, for example, as 7487267841 + 3701505600 = 86529^2 + 60840^2 .

It is not a de Polignac number, because 11188773441 - 2⁷ = 11188773313 is a prime.

It is a super-2 number, since 2×11188773441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11188773451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345696 + ... + 376673.

It is an arithmetic number, because the mean of its divisors is an integer number (1347581235).

Almost surely, 2^11188773441 is an apocalyptic number.

It is an amenable number.

11188773441 is a deficient number, since it is larger than the sum of its proper divisors (4982201379).

11188773441 is a wasteful number, since it uses less digits than its factorization.

11188773441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724096 (or 724093 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The spelling of 11188773441 in words is "eleven billion, one hundred eighty-eight million, seven hundred seventy-three thousand, four hundred forty-one".