11810378218 has 8 divisors (see below), whose sum is σ = 18015831360. Its totient is φ = 5805101100.

The previous prime is 11810378201. The next prime is 11810378257. The reversal of 11810378218 is 81287301811.

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

It is a super-3 number, since 3×11810378218³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50043858 + ... + 50044093.

It is an arithmetic number, because the mean of its divisors is an integer number (2251978920).

Almost surely, 2^11810378218 is an apocalyptic number.

11810378218 is a deficient number, since it is larger than the sum of its proper divisors (6205453142).

11810378218 is a wasteful number, since it uses less digits than its factorization.

11810378218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100088012.

The product of its (nonzero) digits is 21504, while the sum is 40.

The spelling of 11810378218 in words is "eleven billion, eight hundred ten million, three hundred seventy-eight thousand, two hundred eighteen".