1056432512243 has 12 divisors (see below), whose sum is σ = 1069061978712. Its totient is φ = 1043944900800.

The previous prime is 1056432512227. The next prime is 1056432512321. The reversal of 1056432512243 is 3422152346501.

It is not a de Polignac number, because 1056432512243 - 2⁴ = 1056432512227 is a prime.

It is a super-2 number, since 2×1056432512243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056432512197 and 1056432512206.

It is not an unprimeable number, because it can be changed into a prime (1056432511243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4475996 + ... + 4706102.

It is an arithmetic number, because the mean of its divisors is an integer number (89088498226).

Almost surely, 2^{1056432512243} is an apocalyptic number.

1056432512243 is a deficient number, since it is larger than the sum of its proper divisors (12629466469).

1056432512243 is an equidigital number, since it uses as much as digits as its factorization.

1056432512243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230722 (or 230615 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 1056432512243 its reverse (3422152346501), we get a palindrome (4478584858744).

The spelling of 1056432512243 in words is "one trillion, fifty-six billion, four hundred thirty-two million, five hundred twelve thousand, two hundred forty-three".