11812002817 has 8 divisors (see below), whose sum is σ = 12077661440. Its totient is φ = 11549247840.

The previous prime is 11812002799. The next prime is 11812002869. The reversal of 11812002817 is 71820021811.

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 11812002817 - 2²³ = 11803614209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11812002317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717684 + ... + 733957.

It is an arithmetic number, because the mean of its divisors is an integer number (1509707680).

Almost surely, 2^11812002817 is an apocalyptic number.

It is an amenable number.

11812002817 is a deficient number, since it is larger than the sum of its proper divisors (265658623).

11812002817 is a wasteful number, since it uses less digits than its factorization.

11812002817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451823.

The product of its (nonzero) digits is 1792, while the sum is 31.

The spelling of 11812002817 in words is "eleven billion, eight hundred twelve million, two thousand, eight hundred seventeen".