1056541651133 has 4 divisors (see below), whose sum is σ = 1056546771708. Its totient is φ = 1056536530560.

The previous prime is 1056541651111. The next prime is 1056541651169. The reversal of 1056541651133 is 3311561456501.

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 892596021529 + 163945629604 = 944773^2 + 404902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056541651133 - 2⁸ = 1056541650877 is a prime.

It is a super-2 number, since 2×1056541651133² (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 (1056541651183) 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, 2237198 + ... + 2667983.

It is an arithmetic number, because the mean of its divisors is an integer number (264136692927).

Almost surely, 2^{1056541651133} is an apocalyptic number.

It is an amenable number.

1056541651133 is a deficient number, since it is larger than the sum of its proper divisors (5120575).

1056541651133 is an equidigital number, since it uses as much as digits as its factorization.

1056541651133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120574.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 1056541651133 in words is "one trillion, fifty-six billion, five hundred forty-one million, six hundred fifty-one thousand, one hundred thirty-three".