5645507542856 has 8 divisors (see below), whose sum is σ = 10585326642870. Its totient is φ = 2822753771424.

The previous prime is 5645507542811. The next prime is 5645507542903. The reversal of 5645507542856 is 6582457055465.

It can be written as a sum of positive squares in only one way, i.e., 5578411001956 + 67096540900 = 2361866^2 + 259030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352844221421 + ... + 352844221436.

Almost surely, 2^{5645507542856} is an apocalyptic number.

It is an amenable number.

5645507542856 is a deficient number, since it is larger than the sum of its proper divisors (4939819100014).

5645507542856 is a wasteful number, since it uses less digits than its factorization.

5645507542856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705688442863 (or 705688442859 counting only the distinct ones).

The product of its (nonzero) digits is 201600000, while the sum is 62.

The spelling of 5645507542856 in words is "five trillion, six hundred forty-five billion, five hundred seven million, five hundred forty-two thousand, eight hundred fifty-six".