55611011011 has 8 divisors (see below), whose sum is σ = 57651295104. Its totient is φ = 53586125760.

The previous prime is 55611011009. The next prime is 55611011017. The reversal of 55611011011 is 11011011655.

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 55611011011 - 2¹ = 55611011009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611011017) 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, 3842356 + ... + 3856801.

It is an arithmetic number, because the mean of its divisors is an integer number (7206411888).

Almost surely, 2^55611011011 is an apocalyptic number.

55611011011 is a deficient number, since it is larger than the sum of its proper divisors (2040284093).

55611011011 is a wasteful number, since it uses less digits than its factorization.

55611011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699421.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 55611011011 its reverse (11011011655), we get a palindrome (66622022666).

The spelling of 55611011011 in words is "fifty-five billion, six hundred eleven million, eleven thousand, eleven".