105808906633081 has 8 divisors (see below), whose sum is σ = 109311844207104. Its totient is φ = 102311578248960.

The previous prime is 105808906633057. The next prime is 105808906633117. The reversal of 105808906633081 is 180336609808501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105808906633081 - 2⁵ = 105808906633049 is a prime.

It is a super-2 number, since 2×105808906633081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105808906633051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402259125 + ... + 1402334578.

It is an arithmetic number, because the mean of its divisors is an integer number (13663980525888).

Almost surely, 2^{105808906633081} is an apocalyptic number.

It is an amenable number.

105808906633081 is a deficient number, since it is larger than the sum of its proper divisors (3502937574023).

105808906633081 is a wasteful number, since it uses less digits than its factorization.

105808906633081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804594951.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 105808906633081 in words is "one hundred five trillion, eight hundred eight billion, nine hundred six million, six hundred thirty-three thousand, eighty-one".