11323122985 has 16 divisors (see below), whose sum is σ = 14181390720. Its totient is φ = 8662896000.

The previous prime is 11323122949. The next prime is 11323122991. The reversal of 11323122985 is 58922132311.

It is a happy number.

It is not a de Polignac number, because 11323122985 - 2¹¹ = 11323120937 is a prime.

It is a super-2 number, since 2×11323122985² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029646 + ... + 1040584.

It is an arithmetic number, because the mean of its divisors is an integer number (886336920).

Almost surely, 2^11323122985 is an apocalyptic number.

It is an amenable number.

11323122985 is a deficient number, since it is larger than the sum of its proper divisors (2858267735).

11323122985 is a wasteful number, since it uses less digits than its factorization.

11323122985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968.

The product of its digits is 25920, while the sum is 37.

The spelling of 11323122985 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, nine hundred eighty-five".