105047383818 has 32 divisors (see below), whose sum is σ = 226273291776. Its totient is φ = 32319787968.

The previous prime is 105047383817. The next prime is 105047383829. The reversal of 105047383818 is 818383740501.

It is a happy number.

It is a super-2 number, since 2×105047383818² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105047383813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146396 + ... + 1234632.

It is an arithmetic number, because the mean of its divisors is an integer number (7071040368).

Almost surely, 2^105047383818 is an apocalyptic number.

105047383818 is an abundant number, since it is smaller than the sum of its proper divisors (121225907958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105047383818 is a wasteful number, since it uses less digits than its factorization.

105047383818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103518.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 105047383818 in words is "one hundred five billion, forty-seven million, three hundred eighty-three thousand, eight hundred eighteen".