1056621356612 has 12 divisors (see below), whose sum is σ = 1946407762320. Its totient is φ = 500504853096.

The previous prime is 1056621356611. The next prime is 1056621356657. The reversal of 1056621356612 is 2166531266501.

It is a super-2 number, since 2×1056621356612² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056621356611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951456218 + ... + 6951456369.

It is an arithmetic number, because the mean of its divisors is an integer number (162200646860).

Almost surely, 2^{1056621356612} is an apocalyptic number.

It is an amenable number.

1056621356612 is a deficient number, since it is larger than the sum of its proper divisors (889786405708).

1056621356612 is a wasteful number, since it uses less digits than its factorization.

1056621356612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902912610 (or 13902912608 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 1056621356612 in words is "one trillion, fifty-six billion, six hundred twenty-one million, three hundred fifty-six thousand, six hundred twelve".