105117041816 has 8 divisors (see below), whose sum is σ = 197094453420. Its totient is φ = 52558520904.

The previous prime is 105117041761. The next prime is 105117041819. The reversal of 105117041816 is 618140711501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105117041816² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105117041819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6569815106 + ... + 6569815121.

Almost surely, 2^105117041816 is an apocalyptic number.

It is an amenable number.

105117041816 is a deficient number, since it is larger than the sum of its proper divisors (91977411604).

105117041816 is a wasteful number, since it uses less digits than its factorization.

105117041816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139630233 (or 13139630229 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 35.

The spelling of 105117041816 in words is "one hundred five billion, one hundred seventeen million, forty-one thousand, eight hundred sixteen".