55611165611 has 8 divisors (see below), whose sum is σ = 56694783600. Its totient is φ = 54532249600.

The previous prime is 55611165601. The next prime is 55611165647. The reversal of 55611165611 is 11656111655.

It is a happy number.

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 55611165611 - 2³⁴ = 38431296427 is a prime.

It is a super-2 number, since 2×55611165611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611165601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151606 + ... + 1198923.

It is an arithmetic number, because the mean of its divisors is an integer number (7086847950).

Almost surely, 2^55611165611 is an apocalyptic number.

55611165611 is a deficient number, since it is larger than the sum of its proper divisors (1083617989).

55611165611 is a wasteful number, since it uses less digits than its factorization.

55611165611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350989.

The product of its digits is 27000, while the sum is 38.

The spelling of 55611165611 in words is "fifty-five billion, six hundred eleven million, one hundred sixty-five thousand, six hundred eleven".