1050171572105 has 4 divisors (see below), whose sum is σ = 1260205886532. Its totient is φ = 840137257680.

The previous prime is 1050171572083. The next prime is 1050171572147. The reversal of 1050171572105 is 5012751710501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 839979582016 + 210191990089 = 916504^2 + 458467^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1050171572105 is a prime.

It is a super-2 number, since 2×1050171572105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105017157206 + ... + 105017157215.

It is an arithmetic number, because the mean of its divisors is an integer number (315051471633).

Almost surely, 2^{1050171572105} is an apocalyptic number.

It is an amenable number.

1050171572105 is a deficient number, since it is larger than the sum of its proper divisors (210034314427).

1050171572105 is an equidigital number, since it uses as much as digits as its factorization.

1050171572105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210034314426.

The product of its (nonzero) digits is 12250, while the sum is 35.

The spelling of 1050171572105 in words is "one trillion, fifty billion, one hundred seventy-one million, five hundred seventy-two thousand, one hundred five".