5645506877512 has 8 divisors (see below), whose sum is σ = 10585325395350. Its totient is φ = 2822753438752.

The previous prime is 5645506877489. The next prime is 5645506877519. The reversal of 5645506877512 is 2157786055465.

It can be written as a sum of positive squares in only one way, i.e., 4044740411716 + 1600766465796 = 2011154^2 + 1265214^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5645506877519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352844179837 + ... + 352844179852.

Almost surely, 2^{5645506877512} is an apocalyptic number.

It is an amenable number.

5645506877512 is a deficient number, since it is larger than the sum of its proper divisors (4939818517838).

5645506877512 is a wasteful number, since it uses less digits than its factorization.

5645506877512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705688359695 (or 705688359691 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 61.

The spelling of 5645506877512 in words is "five trillion, six hundred forty-five billion, five hundred six million, eight hundred seventy-seven thousand, five hundred twelve".