1056745613533 has 2 divisors, whose sum is σ = 1056745613534. Its totient is φ = 1056745613532.

The previous prime is 1056745613531. The next prime is 1056745613621. The reversal of 1056745613533 is 3353165476501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986182066489 + 70563547044 = 993067^2 + 265638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056745613533 - 2¹ = 1056745613531 is a prime.

It is a super-2 number, since 2×1056745613533² (a number of 25 digits) contains 22 as substring.

Together with 1056745613531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056745613531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528372806766 + 528372806767.

It is an arithmetic number, because the mean of its divisors is an integer number (528372806767).

Almost surely, 2^{1056745613533} is an apocalyptic number.

It is an amenable number.

1056745613533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056745613533 is an equidigital number, since it uses as much as digits as its factorization.

1056745613533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 1056745613533 in words is "one trillion, fifty-six billion, seven hundred forty-five million, six hundred thirteen thousand, five hundred thirty-three".