11818194079 has 8 divisors (see below), whose sum is σ = 12567091680. Its totient is φ = 11075264256.

The previous prime is 11818194071. The next prime is 11818194127. The reversal of 11818194079 is 97049181811.

11818194079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11818194079 - 2³ = 11818194071 is a prime.

It is a super-2 number, since 2×11818194079² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818194071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487859 + ... + 1495780.

It is an arithmetic number, because the mean of its divisors is an integer number (1570886460).

Almost surely, 2^11818194079 is an apocalyptic number.

11818194079 is a deficient number, since it is larger than the sum of its proper divisors (748897601).

11818194079 is a wasteful number, since it uses less digits than its factorization.

11818194079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983889.

The product of its (nonzero) digits is 145152, while the sum is 49.

The spelling of 11818194079 in words is "eleven billion, eight hundred eighteen million, one hundred ninety-four thousand, seventy-nine".