105844345081 has 8 divisors (see below), whose sum is σ = 110492484480. Its totient is φ = 101200056672.

The previous prime is 105844345067. The next prime is 105844345091. The reversal of 105844345081 is 180543448501.

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

It is not a de Polignac number, because 105844345081 - 2⁹ = 105844344569 is a prime.

It is a super-2 number, since 2×105844345081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105844345091) 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, 906501 + ... + 1016578.

It is an arithmetic number, because the mean of its divisors is an integer number (13811560560).

Almost surely, 2^105844345081 is an apocalyptic number.

It is an amenable number.

105844345081 is a deficient number, since it is larger than the sum of its proper divisors (4648139399).

105844345081 is a wasteful number, since it uses less digits than its factorization.

105844345081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925495.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 105844345081 in words is "one hundred five billion, eight hundred forty-four million, three hundred forty-five thousand, eighty-one".