11281164612 has 24 divisors (see below), whose sum is σ = 26474876736. Its totient is φ = 3738651168.

The previous prime is 11281164593. The next prime is 11281164619. The reversal of 11281164612 is 21646118211.

It is a super-2 number, since 2×11281164612² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11281164619) 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 7 ways as a sum of consecutive naturals, for example, 2714968 + ... + 2719119.

It is an arithmetic number, because the mean of its divisors is an integer number (1103119864).

Almost surely, 2^11281164612 is an apocalyptic number.

11281164612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11281164612 is an abundant number, since it is smaller than the sum of its proper divisors (15193712124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11281164612 is a wasteful number, since it uses less digits than its factorization.

11281164612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434267 (or 5434265 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The spelling of 11281164612 in words is "eleven billion, two hundred eighty-one million, one hundred sixty-four thousand, six hundred twelve".