1056105764573 has 4 divisors (see below), whose sum is σ = 1058386771008. Its totient is φ = 1053824758140.

The previous prime is 1056105764543. The next prime is 1056105764587. The reversal of 1056105764573 is 3754675016501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1056105764573 - 2⁶ = 1056105764509 is a prime.

It is a super-2 number, since 2×1056105764573² (a number of 25 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 (1056105764543) 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, 1140502523 + ... + 1140503448.

It is an arithmetic number, because the mean of its divisors is an integer number (264596692752).

Almost surely, 2^{1056105764573} is an apocalyptic number.

It is an amenable number.

1056105764573 is a deficient number, since it is larger than the sum of its proper divisors (2281006435).

1056105764573 is an equidigital number, since it uses as much as digits as its factorization.

1056105764573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281006434.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 1056105764573 in words is "one trillion, fifty-six billion, one hundred five million, seven hundred sixty-four thousand, five hundred seventy-three".