10570221505 has 4 divisors (see below), whose sum is σ = 12684265812. Its totient is φ = 8456177200.

The previous prime is 10570221443. The next prime is 10570221511. The reversal of 10570221505 is 50512207501.

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 2917296144 + 7652925361 = 54012^2 + 87481^2 .

It is not a de Polignac number, because 10570221505 - 2⁷ = 10570221377 is a prime.

It is a super-2 number, since 2×10570221505² (a number of 21 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, 1057022146 + ... + 1057022155.

It is an arithmetic number, because the mean of its divisors is an integer number (3171066453).

Almost surely, 2^10570221505 is an apocalyptic number.

It is an amenable number.

10570221505 is a deficient number, since it is larger than the sum of its proper divisors (2114044307).

10570221505 is an equidigital number, since it uses as much as digits as its factorization.

10570221505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114044306.

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 10570221505 in words is "ten billion, five hundred seventy million, two hundred twenty-one thousand, five hundred five".