56680511273 has 2 divisors, whose sum is σ = 56680511274. Its totient is φ = 56680511272.

The previous prime is 56680511263. The next prime is 56680511287. The reversal of 56680511273 is 37211508665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44932552729 + 11747958544 = 211973^2 + 108388^2 .

It is a cyclic number.

It is not a de Polignac number, because 56680511273 - 2¹⁶ = 56680445737 is a prime.

It is not a weakly prime, because it can be changed into another prime (56680511203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28340255636 + 28340255637.

It is an arithmetic number, because the mean of its divisors is an integer number (28340255637).

Almost surely, 2^56680511273 is an apocalyptic number.

It is an amenable number.

56680511273 is a deficient number, since it is larger than the sum of its proper divisors (1).

56680511273 is an equidigital number, since it uses as much as digits as its factorization.

56680511273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 56680511273 in words is "fifty-six billion, six hundred eighty million, five hundred eleven thousand, two hundred seventy-three".