56128812876619 has 16 divisors (see below), whose sum is σ = 64174948333056. Its totient is φ = 48089612376000.

The previous prime is 56128812876599. The next prime is 56128812876667. The reversal of 56128812876619 is 91667821882165.

It is a cyclic number.

It is not a de Polignac number, because 56128812876619 - 2¹⁷ = 56128812745547 is a prime.

It is a super-2 number, since 2×56128812876619² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56128812874619) 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 15 ways as a sum of consecutive naturals, for example, 604002279 + ... + 604095199.

It is an arithmetic number, because the mean of its divisors is an integer number (4010934270816).

Almost surely, 2^{56128812876619} is an apocalyptic number.

56128812876619 is a deficient number, since it is larger than the sum of its proper divisors (8046135456437).

56128812876619 is a wasteful number, since it uses less digits than its factorization.

56128812876619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129306.

The product of its digits is 139345920, while the sum is 70.

The spelling of 56128812876619 in words is "fifty-six trillion, one hundred twenty-eight billion, eight hundred twelve million, eight hundred seventy-six thousand, six hundred nineteen".