1056506222105 has 16 divisors (see below), whose sum is σ = 1334636887680. Its totient is φ = 801302439168.

The previous prime is 1056506222089. The next prime is 1056506222129. The reversal of 1056506222105 is 5012226056501.

It is a cyclic number.

It is not a de Polignac number, because 1056506222105 - 2⁴ = 1056506222089 is a prime.

It is a super-2 number, since 2×1056506222105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40637495 + ... + 40663484.

It is an arithmetic number, because the mean of its divisors is an integer number (83414805480).

Almost surely, 2^{1056506222105} is an apocalyptic number.

It is an amenable number.

1056506222105 is a deficient number, since it is larger than the sum of its proper divisors (278130665575).

1056506222105 is a wasteful number, since it uses less digits than its factorization.

1056506222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81301120.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1056506222105 in words is "one trillion, fifty-six billion, five hundred six million, two hundred twenty-two thousand, one hundred five".