5618111110656 has 240 divisors, whose sum is σ = 16470862797312. Its totient is φ = 1700436643840.

The previous prime is 5618111110589. The next prime is 5618111110663. The reversal of 5618111110656 is 6560111118165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160376215 + ... + 160411241.

Almost surely, 2^{5618111110656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5618111110656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8235431398656).

5618111110656 is an abundant number, since it is smaller than the sum of its proper divisors (10852751686656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5618111110656 is a wasteful number, since it uses less digits than its factorization.

5618111110656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933 (or 35906 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 42.

The spelling of 5618111110656 in words is "five trillion, six hundred eighteen billion, one hundred eleven million, one hundred ten thousand, six hundred fifty-six".