56116728345 has 16 divisors (see below), whose sum is σ = 89823337920. Its totient is φ = 29916730944.

The previous prime is 56116728329. The next prime is 56116728347. The reversal of 56116728345 is 54382761165.

It is not a de Polignac number, because 56116728345 - 2⁴ = 56116728329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56116728294 and 56116728303.

It is not an unprimeable number, because it can be changed into a prime (56116728347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723814 + ... + 797583.

It is an arithmetic number, because the mean of its divisors is an integer number (5613958620).

Almost surely, 2^56116728345 is an apocalyptic number.

It is an amenable number.

56116728345 is a deficient number, since it is larger than the sum of its proper divisors (33706609575).

56116728345 is a wasteful number, since it uses less digits than its factorization.

56116728345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523864.

The product of its digits is 1209600, while the sum is 48.

The spelling of 56116728345 in words is "fifty-six billion, one hundred sixteen million, seven hundred twenty-eight thousand, three hundred forty-five".