105265020071 has 4 divisors (see below), whose sum is σ = 105645038472. Its totient is φ = 104885001672.

The previous prime is 105265020053. The next prime is 105265020073. The reversal of 105265020071 is 170020562501.

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 105265020071 - 2¹⁴ = 105265003687 is a prime.

It is a super-2 number, since 2×105265020071² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105265020073) 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, 190008785 + ... + 190009338.

It is an arithmetic number, because the mean of its divisors is an integer number (26411259618).

Almost surely, 2^105265020071 is an apocalyptic number.

105265020071 is a deficient number, since it is larger than the sum of its proper divisors (380018401).

105265020071 is an equidigital number, since it uses as much as digits as its factorization.

105265020071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380018400.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 105265020071 its reverse (170020562501), we get a palindrome (275285582572).

The spelling of 105265020071 in words is "one hundred five billion, two hundred sixty-five million, twenty thousand, seventy-one".