56560266719 has 4 divisors (see below), whose sum is σ = 61702109160. Its totient is φ = 51418424280.

The previous prime is 56560266671. The next prime is 56560266731. The reversal of 56560266719 is 91766206565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56560266719 - 2¹² = 56560262623 is a prime.

It is a super-2 number, since 2×56560266719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560266739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570921204 + ... + 2570921225.

It is an arithmetic number, because the mean of its divisors is an integer number (15425527290).

Almost surely, 2^56560266719 is an apocalyptic number.

56560266719 is a deficient number, since it is larger than the sum of its proper divisors (5141842441).

56560266719 is a wasteful number, since it uses less digits than its factorization.

56560266719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141842440.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 56560266719 in words is "fifty-six billion, five hundred sixty million, two hundred sixty-six thousand, seven hundred nineteen".