11852919817 has 8 divisors (see below), whose sum is σ = 12444652800. Its totient is φ = 11273387664.

The previous prime is 11852919811. The next prime is 11852919823. The reversal of 11852919817 is 71891925811.

It is an interprime number because it is at equal distance from previous prime (11852919811) and next prime (11852919823).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11852919817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11852919811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048217 + ... + 3052102.

It is an arithmetic number, because the mean of its divisors is an integer number (1555581600).

Almost surely, 2^11852919817 is an apocalyptic number.

It is an amenable number.

11852919817 is a deficient number, since it is larger than the sum of its proper divisors (591732983).

11852919817 is an equidigital number, since it uses as much as digits as its factorization.

11852919817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100415.

The product of its digits is 362880, while the sum is 52.

The spelling of 11852919817 in words is "eleven billion, eight hundred fifty-two million, nine hundred nineteen thousand, eight hundred seventeen".