56266866259 has 2 divisors, whose sum is σ = 56266866260. Its totient is φ = 56266866258.

The previous prime is 56266866211. The next prime is 56266866277. The reversal of 56266866259 is 95266866265.

It is a happy number.

56266866259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56266866259 - 2⁹ = 56266865747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56266866197 and 56266866206.

It is not a weakly prime, because it can be changed into another prime (56266866289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133433129 + 28133433130.

It is an arithmetic number, because the mean of its divisors is an integer number (28133433130).

Almost surely, 2^56266866259 is an apocalyptic number.

56266866259 is a deficient number, since it is larger than the sum of its proper divisors (1).

56266866259 is an equidigital number, since it uses as much as digits as its factorization.

56266866259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55987200, while the sum is 61.

The spelling of 56266866259 in words is "fifty-six billion, two hundred sixty-six million, eight hundred sixty-six thousand, two hundred fifty-nine".