105405940767908 has 12 divisors (see below), whose sum is σ = 201229523284272. Its totient is φ = 47911791258120.

The previous prime is 105405940767899. The next prime is 105405940767983. The reversal of 105405940767908 is 809767049504501.

It is a super-2 number, since 2×105405940767908² (a number of 29 digits) contains 22 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, 1197794781410 + ... + 1197794781497.

It is an arithmetic number, because the mean of its divisors is an integer number (16769126940356).

Almost surely, 2^{105405940767908} is an apocalyptic number.

It is an amenable number.

105405940767908 is a deficient number, since it is larger than the sum of its proper divisors (95823582516364).

105405940767908 is a wasteful number, since it uses less digits than its factorization.

105405940767908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395589562922 (or 2395589562920 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 105405940767908 in words is "one hundred five trillion, four hundred five billion, nine hundred forty million, seven hundred sixty-seven thousand, nine hundred eight".