1056745613573 has 8 divisors (see below), whose sum is σ = 1138109400288. Its totient is φ = 975392635824.

The previous prime is 1056745613533. The next prime is 1056745613621. The reversal of 1056745613573 is 3753165476501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056745613573 is a prime.

It is a super-2 number, since 2×1056745613573² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056745613513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498615 + ... + 2890772.

It is an arithmetic number, because the mean of its divisors is an integer number (142263675036).

Almost surely, 2^{1056745613573} is an apocalyptic number.

1056745613573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056745613573 is a deficient number, since it is larger than the sum of its proper divisors (81363786715).

1056745613573 is a wasteful number, since it uses less digits than its factorization.

1056745613573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404483.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 1056745613573 in words is "one trillion, fifty-six billion, seven hundred forty-five million, six hundred thirteen thousand, five hundred seventy-three".