1056443241539 has 8 divisors (see below), whose sum is σ = 1207375518720. Its totient is φ = 905513917896.

The previous prime is 1056443241499. The next prime is 1056443241541. The reversal of 1056443241539 is 9351423446501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1056443241539 - 2¹⁶ = 1056443176003 is a prime.

It is a super-2 number, since 2×1056443241539² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056443241493 and 1056443241502.

It is not an unprimeable number, because it can be changed into a prime (1056443241559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90062 + ... + 1456364.

It is an arithmetic number, because the mean of its divisors is an integer number (150921939840).

Almost surely, 2^{1056443241539} is an apocalyptic number.

1056443241539 is a deficient number, since it is larger than the sum of its proper divisors (150932277181).

1056443241539 is a wasteful number, since it uses less digits than its factorization.

1056443241539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476769.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1056443241539 in words is "one trillion, fifty-six billion, four hundred forty-three million, two hundred forty-one thousand, five hundred thirty-nine".