11878416635218 has 8 divisors (see below), whose sum is σ = 20362999946112. Its totient is φ = 5090749986516.

The previous prime is 11878416635203. The next prime is 11878416635263. The reversal of 11878416635218 is 81253661487811.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424229165530 + ... + 424229165557.

It is an arithmetic number, because the mean of its divisors is an integer number (2545374993264).

Almost surely, 2^{11878416635218} is an apocalyptic number.

11878416635218 is a deficient number, since it is larger than the sum of its proper divisors (8484583310894).

11878416635218 is an equidigital number, since it uses as much as digits as its factorization.

11878416635218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848458331096.

The product of its digits is 15482880, while the sum is 61.

The spelling of 11878416635218 in words is "eleven trillion, eight hundred seventy-eight billion, four hundred sixteen million, six hundred thirty-five thousand, two hundred eighteen".