56516065611 has 16 divisors (see below), whose sum is σ = 79350704640. Its totient is φ = 35680897440.

The previous prime is 56516065609. The next prime is 56516065631. The reversal of 56516065611 is 11656061565.

It is not a de Polignac number, because 56516065611 - 2¹ = 56516065609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56516065631) 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, 33360 + ... + 337853.

It is an arithmetic number, because the mean of its divisors is an integer number (4959419040).

Almost surely, 2^56516065611 is an apocalyptic number.

56516065611 is a deficient number, since it is larger than the sum of its proper divisors (22834639029).

56516065611 is a wasteful number, since it uses less digits than its factorization.

56516065611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373906.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 56516065611 in words is "fifty-six billion, five hundred sixteen million, sixty-five thousand, six hundred eleven".