56118264019 has 2 divisors, whose sum is σ = 56118264020. Its totient is φ = 56118264018.

The previous prime is 56118263977. The next prime is 56118264023. The reversal of 56118264019 is 91046281165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56118264019 - 2¹⁷ = 56118132947 is a prime.

It is a super-2 number, since 2×56118264019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56118264089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28059132009 + 28059132010.

It is an arithmetic number, because the mean of its divisors is an integer number (28059132010).

Almost surely, 2^56118264019 is an apocalyptic number.

56118264019 is a deficient number, since it is larger than the sum of its proper divisors (1).

56118264019 is an equidigital number, since it uses as much as digits as its factorization.

56118264019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 56118264019 in words is "fifty-six billion, one hundred eighteen million, two hundred sixty-four thousand, nineteen".