10655611105656 has 128 divisors (see below), whose sum is σ = 29390405990400. Its totient is φ = 3192436800000.

The previous prime is 10655611105649. The next prime is 10655611105697. The reversal of 10655611105656 is 65650111655601.

It is a super-2 number, since 2×10655611105656² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 18406425 + ... + 18976503.

It is an arithmetic number, because the mean of its divisors is an integer number (229612546800).

Almost surely, 2^{10655611105656} 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 10655611105656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14695202995200).

10655611105656 is an abundant number, since it is smaller than the sum of its proper divisors (18734794884744).

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

10655611105656 is a wasteful number, since it uses less digits than its factorization.

10655611105656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570901 (or 570897 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 48.

Subtracting 10655611105656 from its reverse (65650111655601), we obtain a palindrome (54994500549945).

The spelling of 10655611105656 in words is "ten trillion, six hundred fifty-five billion, six hundred eleven million, one hundred five thousand, six hundred fifty-six".