1056312617747 has 8 divisors (see below), whose sum is σ = 1057125553920. Its totient is φ = 1055499998400.

The previous prime is 1056312617743. The next prime is 1056312617777. The reversal of 1056312617747 is 7477162136501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056312617747 - 2² = 1056312617743 is a prime.

It is a super-2 number, since 2×1056312617747² (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 = 1056312617695 and 1056312617704.

It is not an unprimeable number, because it can be changed into a prime (1056312617743) 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, 6820622 + ... + 6973772.

It is an arithmetic number, because the mean of its divisors is an integer number (132140694240).

Almost surely, 2^{1056312617747} is an apocalyptic number.

1056312617747 is a deficient number, since it is larger than the sum of its proper divisors (812936173).

1056312617747 is a wasteful number, since it uses less digits than its factorization.

1056312617747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158413.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 1056312617747 in words is "one trillion, fifty-six billion, three hundred twelve million, six hundred seventeen thousand, seven hundred forty-seven".