11728170276516 has 72 divisors (see below), whose sum is σ = 31735964891904. Its totient is φ = 3783280724640.

The previous prime is 11728170276509. The next prime is 11728170276569. The reversal of 11728170276516 is 61567207182711.

It is a happy number.

11728170276516 is a `hidden beast` number, since 1 + 17 + 28 + 1 + 70 + 27 + 6 + 516 = 666.

11728170276516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194583075 + ... + 194643338.

Almost surely, 2^{11728170276516} is an apocalyptic number.

It is an amenable number.

11728170276516 is an abundant number, since it is smaller than the sum of its proper divisors (20007794615388).

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

11728170276516 is a wasteful number, since it uses less digits than its factorization.

11728170276516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389226463 (or 389226449 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 11728170276516 in words is "eleven trillion, seven hundred twenty-eight billion, one hundred seventy million, two hundred seventy-six thousand, five hundred sixteen".