106561656055 has 8 divisors (see below), whose sum is σ = 129115482912. Its totient is φ = 84421661088.

The previous prime is 106561656043. The next prime is 106561656077. The reversal of 106561656055 is 550656165601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106561656055 - 2¹¹ = 106561654007 is a prime.

It is a super-2 number, since 2×106561656055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106561655996 and 106561656014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103457404 + ... + 103458433.

It is an arithmetic number, because the mean of its divisors is an integer number (16139435364).

Almost surely, 2^106561656055 is an apocalyptic number.

106561656055 is a deficient number, since it is larger than the sum of its proper divisors (22553826857).

106561656055 is a wasteful number, since it uses less digits than its factorization.

106561656055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206915945.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 106561656055 in words is "one hundred six billion, five hundred sixty-one million, six hundred fifty-six thousand, fifty-five".