105670457871 has 32 divisors (see below), whose sum is σ = 156057427968. Its totient is φ = 63062223840.

The previous prime is 105670457869. The next prime is 105670457891. The reversal of 105670457871 is 178754076501.

It is not a de Polignac number, because 105670457871 - 2¹ = 105670457869 is a prime.

It is a super-2 number, since 2×105670457871² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105670457861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6773346 + ... + 6788928.

It is an arithmetic number, because the mean of its divisors is an integer number (4876794624).

Almost surely, 2^105670457871 is an apocalyptic number.

105670457871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105670457871 is a deficient number, since it is larger than the sum of its proper divisors (50386970097).

105670457871 is a wasteful number, since it uses less digits than its factorization.

105670457871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18731.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 105670457871 in words is "one hundred five billion, six hundred seventy million, four hundred fifty-seven thousand, eight hundred seventy-one".