1056986617828 has 24 divisors (see below), whose sum is σ = 1860789151872. Its totient is φ = 525333791904.

The previous prime is 1056986617811. The next prime is 1056986617829. The reversal of 1056986617828 is 8287166896501.

It is a super-2 number, since 2×1056986617828² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056986617829) 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, 3384501 + ... + 3683587.

It is an arithmetic number, because the mean of its divisors is an integer number (77532881328).

Almost surely, 2^{1056986617828} is an apocalyptic number.

It is an amenable number.

1056986617828 is a deficient number, since it is larger than the sum of its proper divisors (803802534044).

1056986617828 is a wasteful number, since it uses less digits than its factorization.

1056986617828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304371 (or 304369 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 67.

The spelling of 1056986617828 in words is "one trillion, fifty-six billion, nine hundred eighty-six million, six hundred seventeen thousand, eight hundred twenty-eight".