105538241218 has 32 divisors (see below), whose sum is σ = 162582847488. Its totient is φ = 51357003600.

The previous prime is 105538241203. The next prime is 105538241269. The reversal of 105538241218 is 812142835501.

It is a super-2 number, since 2×105538241218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43772433 + ... + 43774843.

It is an arithmetic number, because the mean of its divisors is an integer number (5080713984).

Almost surely, 2^105538241218 is an apocalyptic number.

105538241218 is a deficient number, since it is larger than the sum of its proper divisors (57044606270).

105538241218 is a wasteful number, since it uses less digits than its factorization.

105538241218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 105538241218 in words is "one hundred five billion, five hundred thirty-eight million, two hundred forty-one thousand, two hundred eighteen".