11709929005 has 4 divisors (see below), whose sum is σ = 14051914812. Its totient is φ = 9367943200.

The previous prime is 11709928961. The next prime is 11709929113. The reversal of 11709929005 is 50092990711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5162853609 + 6547075396 = 71853^2 + 80914^2 .

It is not a de Polignac number, because 11709929005 - 2⁹ = 11709928493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170992896 + ... + 1170992905.

It is an arithmetic number, because the mean of its divisors is an integer number (3512978703).

Almost surely, 2^11709929005 is an apocalyptic number.

It is an amenable number.

11709929005 is a deficient number, since it is larger than the sum of its proper divisors (2341985807).

11709929005 is an equidigital number, since it uses as much as digits as its factorization.

11709929005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341985806.

The product of its (nonzero) digits is 51030, while the sum is 43.

The spelling of 11709929005 in words is "eleven billion, seven hundred nine million, nine hundred twenty-nine thousand, five".