11131242969 has 32 divisors (see below), whose sum is σ = 18600837120. Its totient is φ = 5752166400.

The previous prime is 11131242961. The next prime is 11131243033. The reversal of 11131242969 is 96924213111.

It is not a de Polignac number, because 11131242969 - 2³ = 11131242961 is a prime.

It is a super-2 number, since 2×11131242969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131242961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82024 + ... + 170265.

It is an arithmetic number, because the mean of its divisors is an integer number (581276160).

Almost surely, 2^11131242969 is an apocalyptic number.

It is an amenable number.

11131242969 is a deficient number, since it is larger than the sum of its proper divisors (7469594151).

11131242969 is a wasteful number, since it uses less digits than its factorization.

11131242969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252501.

The product of its digits is 23328, while the sum is 39.

The spelling of 11131242969 in words is "eleven billion, one hundred thirty-one million, two hundred forty-two thousand, nine hundred sixty-nine".