105918781094 has 24 divisors (see below), whose sum is σ = 187621280784. Its totient is φ = 43929442800.

The previous prime is 105918781057. The next prime is 105918781117. The reversal of 105918781094 is 490187819501.

It is a happy number.

It is a super-2 number, since 2×105918781094² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3922877 + ... + 3949784.

It is an arithmetic number, because the mean of its divisors is an integer number (7817553366).

Almost surely, 2^105918781094 is an apocalyptic number.

105918781094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105918781094 is a deficient number, since it is larger than the sum of its proper divisors (81702499690).

105918781094 is an equidigital number, since it uses as much as digits as its factorization.

105918781094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872732 (or 7872701 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 105918781094 in words is "one hundred five billion, nine hundred eighteen million, seven hundred eighty-one thousand, ninety-four".