56141904865 has 4 divisors (see below), whose sum is σ = 67370285844. Its totient is φ = 44913523888.

The previous prime is 56141904827. The next prime is 56141904869. The reversal of 56141904865 is 56840914165.

It is a happy number.

56141904865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15889106704 + 40252798161 = 126052^2 + 200631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56141904865 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56141904869) 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, 5614190482 + ... + 5614190491.

It is an arithmetic number, because the mean of its divisors is an integer number (16842571461).

Almost surely, 2^56141904865 is an apocalyptic number.

It is an amenable number.

56141904865 is a deficient number, since it is larger than the sum of its proper divisors (11228380979).

56141904865 is a wasteful number, since it uses less digits than its factorization.

56141904865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228380978.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 56141904865 in words is "fifty-six billion, one hundred forty-one million, nine hundred four thousand, eight hundred sixty-five".