56617422869911 has 2 divisors, whose sum is σ = 56617422869912. Its totient is φ = 56617422869910.

The previous prime is 56617422869899. The next prime is 56617422869947. The reversal of 56617422869911 is 11996822471665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56617422869911 - 2⁴³ = 47821329847703 is a prime.

It is a super-2 number, since 2×56617422869911² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56617422869971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28308711434955 + 28308711434956.

It is an arithmetic number, because the mean of its divisors is an integer number (28308711434956).

Almost surely, 2^{56617422869911} is an apocalyptic number.

56617422869911 is a deficient number, since it is larger than the sum of its proper divisors (1).

56617422869911 is an equidigital number, since it uses as much as digits as its factorization.

56617422869911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 67.

The spelling of 56617422869911 in words is "fifty-six trillion, six hundred seventeen billion, four hundred twenty-two million, eight hundred sixty-nine thousand, nine hundred eleven".