105832778660071 has 4 divisors (see below), whose sum is σ = 105919740681552. Its totient is φ = 105745816638592.

The previous prime is 105832778659999. The next prime is 105832778660093. The reversal of 105832778660071 is 170066877238501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105832778660071 - 2⁷ = 105832778659943 is a prime.

It is a super-2 number, since 2×105832778660071² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105832778659991 and 105832778660009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105832778664071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43481008915 + ... + 43481011348.

It is an arithmetic number, because the mean of its divisors is an integer number (26479935170388).

Almost surely, 2^{105832778660071} is an apocalyptic number.

105832778660071 is a deficient number, since it is larger than the sum of its proper divisors (86962021481).

105832778660071 is an equidigital number, since it uses as much as digits as its factorization.

105832778660071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86962021480.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 105832778660071 in words is "one hundred five trillion, eight hundred thirty-two billion, seven hundred seventy-eight million, six hundred sixty thousand, seventy-one".