11728342147 has 2 divisors, whose sum is σ = 11728342148. Its totient is φ = 11728342146.

The previous prime is 11728342057. The next prime is 11728342163. The reversal of 11728342147 is 74124382711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11728342147 - 2⁷ = 11728342019 is a prime.

It is not a weakly prime, because it can be changed into another prime (11728342187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5864171073 + 5864171074.

It is an arithmetic number, because the mean of its divisors is an integer number (5864171074).

Almost surely, 2^11728342147 is an apocalyptic number.

11728342147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11728342147 is an equidigital number, since it uses as much as digits as its factorization.

11728342147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The spelling of 11728342147 in words is "eleven billion, seven hundred twenty-eight million, three hundred forty-two thousand, one hundred forty-seven".