1056103686505 has 128 divisors (see below), whose sum is σ = 1612431360000. Its totient is φ = 647452016640.

The previous prime is 1056103686401. The next prime is 1056103686511. The reversal of 1056103686505 is 5056863016501.

It is not a de Polignac number, because 1056103686505 - 2¹¹ = 1056103684457 is a prime.

It is a super-2 number, since 2×1056103686505² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 260828721 + ... + 260832769.

It is an arithmetic number, because the mean of its divisors is an integer number (12597120000).

Almost surely, 2^{1056103686505} is an apocalyptic number.

It is an amenable number.

1056103686505 is a deficient number, since it is larger than the sum of its proper divisors (556327673495).

1056103686505 is a wasteful number, since it uses less digits than its factorization.

1056103686505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 1056103686505 in words is "one trillion, fifty-six billion, one hundred three million, six hundred eighty-six thousand, five hundred five".