11728415047072 has 24 divisors (see below), whose sum is σ = 23627301245856. Its totient is φ = 5727830603712.

The previous prime is 11728415046961. The next prime is 11728415047093. The reversal of 11728415047072 is 27074051482711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261777348 + ... + 4261780099.

It is an arithmetic number, because the mean of its divisors is an integer number (984470885244).

Almost surely, 2^{11728415047072} is an apocalyptic number.

It is an amenable number.

11728415047072 is an abundant number, since it is smaller than the sum of its proper divisors (11898886198784).

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

11728415047072 is an equidigital number, since it uses as much as digits as its factorization.

11728415047072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523557500 (or 8523557492 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 49.

The spelling of 11728415047072 in words is "eleven trillion, seven hundred twenty-eight billion, four hundred fifteen million, forty-seven thousand, seventy-two".