105853120685 has 32 divisors (see below), whose sum is σ = 142799569920. Its totient is φ = 74739886848.

The previous prime is 105853120631. The next prime is 105853120691. The reversal of 105853120685 is 586021358501.

It is a cyclic number.

It is not a de Polignac number, because 105853120685 - 2¹⁰ = 105853119661 is a prime.

It is a super-2 number, since 2×105853120685² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4123871 + ... + 4149459.

It is an arithmetic number, because the mean of its divisors is an integer number (4462486560).

Almost surely, 2^105853120685 is an apocalyptic number.

It is an amenable number.

105853120685 is a deficient number, since it is larger than the sum of its proper divisors (36946449235).

105853120685 is a wasteful number, since it uses less digits than its factorization.

105853120685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28397.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 105853120685 in words is "one hundred five billion, eight hundred fifty-three million, one hundred twenty thousand, six hundred eighty-five".