105885502712971 has 4 divisors (see below), whose sum is σ = 106164883987000. Its totient is φ = 105606121438944.

The previous prime is 105885502712933. The next prime is 105885502712981. The reversal of 105885502712971 is 179217205588501.

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 105885502712971 - 2⁴¹ = 103686479457419 is a prime.

It is a super-2 number, since 2×105885502712971² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105885502712981) 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, 139690636446 + ... + 139690637203.

It is an arithmetic number, because the mean of its divisors is an integer number (26541220996750).

Almost surely, 2^{105885502712971} is an apocalyptic number.

105885502712971 is a deficient number, since it is larger than the sum of its proper divisors (279381274029).

105885502712971 is an equidigital number, since it uses as much as digits as its factorization.

105885502712971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279381274028.

The product of its (nonzero) digits is 14112000, while the sum is 61.

The spelling of 105885502712971 in words is "one hundred five trillion, eight hundred eighty-five billion, five hundred two million, seven hundred twelve thousand, nine hundred seventy-one".