11718287851 has 8 divisors (see below), whose sum is σ = 11752385024. Its totient is φ = 11684229480.

The previous prime is 11718287837. The next prime is 11718287857. The reversal of 11718287851 is 15878281711.

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 11718287851 - 2¹⁵ = 11718255083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11718287795 and 11718287804.

It is not an unprimeable number, because it can be changed into a prime (11718287857) 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, 661216 + ... + 678706.

It is an arithmetic number, because the mean of its divisors is an integer number (1469048128).

Almost surely, 2^11718287851 is an apocalyptic number.

11718287851 is a deficient number, since it is larger than the sum of its proper divisors (34097173).

11718287851 is a wasteful number, since it uses less digits than its factorization.

11718287851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401.

The product of its digits is 250880, while the sum is 49.

The spelling of 11718287851 in words is "eleven billion, seven hundred eighteen million, two hundred eighty-seven thousand, eight hundred fifty-one".