105851057528085 has 32 divisors (see below), whose sum is σ = 172256960378880. Its totient is φ = 55489082695488.

The previous prime is 105851057528017. The next prime is 105851057528119. The reversal of 105851057528085 is 580825750158501.

It is not a de Polignac number, because 105851057528085 - 2⁹ = 105851057527573 is a prime.

It is a super-2 number, since 2×105851057528085² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 2417937 + ... + 14749526.

It is an arithmetic number, because the mean of its divisors is an integer number (5383030011840).

Almost surely, 2^{105851057528085} is an apocalyptic number.

105851057528085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105851057528085 is a deficient number, since it is larger than the sum of its proper divisors (66405902850795).

105851057528085 is a wasteful number, since it uses less digits than its factorization.

105851057528085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174497.

The product of its (nonzero) digits is 22400000, while the sum is 60.

The spelling of 105851057528085 in words is "one hundred five trillion, eight hundred fifty-one billion, fifty-seven million, five hundred twenty-eight thousand, eighty-five".