11173773312 has 480 divisors, whose sum is σ = 37433020800. Its totient is φ = 3269984256.

The previous prime is 11173773307. The next prime is 11173773323. The reversal of 11173773312 is 21337737111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166772703 + ... + 166772769.

It is an arithmetic number, because the mean of its divisors is an integer number (77985460).

Almost surely, 2^11173773312 is an apocalyptic number.

11173773312 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 11173773312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18716510400).

11173773312 is an abundant number, since it is smaller than the sum of its proper divisors (26259247488).

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

11173773312 is an equidigital number, since it uses as much as digits as its factorization.

11173773312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 114 counting only the distinct ones).

The product of its digits is 18522, while the sum is 36.

The spelling of 11173773312 in words is "eleven billion, one hundred seventy-three million, seven hundred seventy-three thousand, three hundred twelve".