5656518815612 has 48 divisors (see below), whose sum is σ = 11427203773440. Its totient is φ = 2399776025472.

The previous prime is 5656518815611. The next prime is 5656518815641. The reversal of 5656518815612 is 2165188156565.

It is a super-2 number, since 2×5656518815612² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656518815611) 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, 7263464 + ... + 8004432.

It is an arithmetic number, because the mean of its divisors is an integer number (238066745280).

Almost surely, 2^{5656518815612} is an apocalyptic number.

It is an amenable number.

5656518815612 is an abundant number, since it is smaller than the sum of its proper divisors (5770684957828).

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

5656518815612 is a wasteful number, since it uses less digits than its factorization.

5656518815612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743730 (or 743728 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 59.

The spelling of 5656518815612 in words is "five trillion, six hundred fifty-six billion, five hundred eighteen million, eight hundred fifteen thousand, six hundred twelve".