11169249312 has 192 divisors, whose sum is σ = 33427658880. Its totient is φ = 3240566784.

The previous prime is 11169249281. The next prime is 11169249317. The reversal of 11169249312 is 21394296111.

It is a super-2 number, since 2×11169249312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11169249317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1552668 + ... + 1559844.

It is an arithmetic number, because the mean of its divisors is an integer number (174102390).

Almost surely, 2^11169249312 is an apocalyptic number.

11169249312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11169249312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16713829440).

11169249312 is an abundant number, since it is smaller than the sum of its proper divisors (22258409568).

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

11169249312 is a wasteful number, since it uses less digits than its factorization.

11169249312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7267 counting only the distinct ones).

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

The spelling of 11169249312 in words is "eleven billion, one hundred sixty-nine million, two hundred forty-nine thousand, three hundred twelve".