11857709329 has 8 divisors (see below), whose sum is σ = 11963747520. Its totient is φ = 11752077456.

The previous prime is 11857709267. The next prime is 11857709371. The reversal of 11857709329 is 92390775811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11857709329 - 2⁹ = 11857708817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11857509329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42802 + ... + 159835.

It is an arithmetic number, because the mean of its divisors is an integer number (1495468440).

Almost surely, 2^11857709329 is an apocalyptic number.

It is an amenable number.

11857709329 is a deficient number, since it is larger than the sum of its proper divisors (106038191).

11857709329 is a wasteful number, since it uses less digits than its factorization.

11857709329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203159.

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 11857709329 in words is "eleven billion, eight hundred fifty-seven million, seven hundred nine thousand, three hundred twenty-nine".