11166313412 has 6 divisors (see below), whose sum is σ = 19541048478. Its totient is φ = 5583156704.

The previous prime is 11166313393. The next prime is 11166313421. The reversal of 11166313412 is 21431366111.

It can be written as a sum of positive squares in only one way, i.e., 7175106436 + 3991206976 = 84706^2 + 63176^2 .

It is a super-2 number, since 2×11166313412² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395789173 + ... + 1395789180.

It is an arithmetic number, because the mean of its divisors is an integer number (3256841413).

Almost surely, 2^11166313412 is an apocalyptic number.

It is an amenable number.

11166313412 is a deficient number, since it is larger than the sum of its proper divisors (8374735066).

11166313412 is a wasteful number, since it uses less digits than its factorization.

11166313412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791578357 (or 2791578355 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

Adding to 11166313412 its reverse (21431366111), we get a palindrome (32597679523).

The spelling of 11166313412 in words is "eleven billion, one hundred sixty-six million, three hundred thirteen thousand, four hundred twelve".