12728325151 has 4 divisors (see below), whose sum is σ = 12751595032. Its totient is φ = 12705055272.

The previous prime is 12728325139. The next prime is 12728325157. The reversal of 12728325151 is 15152382721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12728325151 - 2⁹ = 12728324639 is a prime.

It is a super-2 number, since 2×12728325151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12728325151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728325157) 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, 11634120 + ... + 11635213.

It is an arithmetic number, because the mean of its divisors is an integer number (3187898758).

Almost surely, 2^12728325151 is an apocalyptic number.

12728325151 is a deficient number, since it is larger than the sum of its proper divisors (23269881).

12728325151 is an equidigital number, since it uses as much as digits as its factorization.

12728325151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23269880.

The product of its digits is 33600, while the sum is 37.

The spelling of 12728325151 in words is "twelve billion, seven hundred twenty-eight million, three hundred twenty-five thousand, one hundred fifty-one".