5616981477812 has 12 divisors (see below), whose sum is σ = 9847887123396. Its totient is φ = 2803299442560.

The previous prime is 5616981477803. The next prime is 5616981477889. The reversal of 5616981477812 is 2187741896165.

It can be written as a sum of positive squares in 2 ways, for example, as 848156270116 + 4768825207696 = 920954^2 + 2183764^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297821653 + ... + 1297825980.

It is an arithmetic number, because the mean of its divisors is an integer number (820657260283).

Almost surely, 2^{5616981477812} is an apocalyptic number.

It is an amenable number.

5616981477812 is a deficient number, since it is larger than the sum of its proper divisors (4230905645584).

5616981477812 is a wasteful number, since it uses less digits than its factorization.

5616981477812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595648178 (or 2595648176 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 65.

The spelling of 5616981477812 in words is "five trillion, six hundred sixteen billion, nine hundred eighty-one million, four hundred seventy-seven thousand, eight hundred twelve".