11320747188 has 12 divisors (see below), whose sum is σ = 26415076800. Its totient is φ = 3773582392.

The previous prime is 11320747187. The next prime is 11320747237. The reversal of 11320747188 is 88174702311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320747187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471697788 + ... + 471697811.

It is an arithmetic number, because the mean of its divisors is an integer number (2201256400).

Almost surely, 2^11320747188 is an apocalyptic number.

It is an amenable number.

11320747188 is an abundant number, since it is smaller than the sum of its proper divisors (15094329612).

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

11320747188 is a wasteful number, since it uses less digits than its factorization.

11320747188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943395606 (or 943395604 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 11320747188 in words is "eleven billion, three hundred twenty million, seven hundred forty-seven thousand, one hundred eighty-eight".