56205015603641 has 16 divisors (see below), whose sum is σ = 57105918656640. Its totient is φ = 55310719326720.

The previous prime is 56205015603631. The next prime is 56205015603733. The reversal of 56205015603641 is 14630651050265.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56205015603641 is a prime.

It is a super-2 number, since 2×56205015603641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56205015603592 and 56205015603601.

It is not an unprimeable number, because it can be changed into a prime (56205015603631) 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, 248646731 + ... + 248872671.

It is an arithmetic number, because the mean of its divisors is an integer number (3569119916040).

Almost surely, 2^{56205015603641} is an apocalyptic number.

It is an amenable number.

56205015603641 is a deficient number, since it is larger than the sum of its proper divisors (900903052999).

56205015603641 is a wasteful number, since it uses less digits than its factorization.

56205015603641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240544.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 56205015603641 in words is "fifty-six trillion, two hundred five billion, fifteen million, six hundred three thousand, six hundred forty-one".