11709342147 has 4 divisors (see below), whose sum is σ = 15612456200. Its totient is φ = 7806228096.

The previous prime is 11709342143. The next prime is 11709342149. The reversal of 11709342147 is 74124390711.

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

It is not a de Polignac number, because 11709342147 - 2² = 11709342143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11709342143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951557022 + ... + 1951557027.

It is an arithmetic number, because the mean of its divisors is an integer number (3903114050).

Almost surely, 2^11709342147 is an apocalyptic number.

11709342147 is a deficient number, since it is larger than the sum of its proper divisors (3903114053).

11709342147 is an equidigital number, since it uses as much as digits as its factorization.

11709342147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903114052.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 11709342147 in words is "eleven billion, seven hundred nine million, three hundred forty-two thousand, one hundred forty-seven".