1068521545383 has 4 divisors (see below), whose sum is σ = 1424695393848. Its totient is φ = 712347696920.

The previous prime is 1068521545381. The next prime is 1068521545423. The reversal of 1068521545383 is 3835451258601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1068521545383 - 2¹ = 1068521545381 is a prime.

It is a super-2 number, since 2×1068521545383² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068521545381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178086924228 + ... + 178086924233.

It is an arithmetic number, because the mean of its divisors is an integer number (356173848462).

Almost surely, 2^{1068521545383} is an apocalyptic number.

1068521545383 is a deficient number, since it is larger than the sum of its proper divisors (356173848465).

1068521545383 is an equidigital number, since it uses as much as digits as its factorization.

1068521545383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356173848464.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 1068521545383 in words is "one trillion, sixty-eight billion, five hundred twenty-one million, five hundred forty-five thousand, three hundred eighty-three".