55705166561611 has 8 divisors (see below), whose sum is σ = 63663364818144. Its totient is φ = 47747047634880.

The previous prime is 55705166561573. The next prime is 55705166561621. The reversal of 55705166561611 is 11616566150755.

55705166561611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55705166561611 - 2⁴¹ = 53506143306059 is a prime.

It is a super-3 number, since 3×55705166561611³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55705166561621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18320050 + ... + 21143191.

It is an arithmetic number, because the mean of its divisors is an integer number (7957920602268).

Almost surely, 2^{55705166561611} is an apocalyptic number.

55705166561611 is a deficient number, since it is larger than the sum of its proper divisors (7958198256533).

55705166561611 is a wasteful number, since it uses less digits than its factorization.

55705166561611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39664901.

The product of its (nonzero) digits is 5670000, while the sum is 55.

The spelling of 55705166561611 in words is "fifty-five trillion, seven hundred five billion, one hundred sixty-six million, five hundred sixty-one thousand, six hundred eleven".