328728136111 has 12 divisors (see below), whose sum is σ = 364385279952. Its totient is φ = 295939390208.

The previous prime is 328728136081. The next prime is 328728136117. The reversal of 328728136111 is 111631827823.

It is a de Polignac number, because none of the positive numbers 2^k-328728136111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328728136117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24720910 + ... + 24734203.

It is an arithmetic number, because the mean of its divisors is an integer number (30365439996).

Almost surely, 2^328728136111 is an apocalyptic number.

328728136111 is a deficient number, since it is larger than the sum of its proper divisors (35657143841).

328728136111 is a wasteful number, since it uses less digits than its factorization.

328728136111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49455170 (or 49455153 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The spelling of 328728136111 in words is "three hundred twenty-eight billion, seven hundred twenty-eight million, one hundred thirty-six thousand, one hundred eleven".