55001166011 has 12 divisors (see below), whose sum is σ = 60461756376. Its totient is φ = 49996156320.

The previous prime is 55001165959. The next prime is 55001166041. The reversal of 55001166011 is 11066110055.

It is a de Polignac number, because none of the positive numbers 2^k-55001166011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55001166041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1895831 + ... + 1924623.

It is an arithmetic number, because the mean of its divisors is an integer number (5038479698).

Almost surely, 2^55001166011 is an apocalyptic number.

55001166011 is a deficient number, since it is larger than the sum of its proper divisors (5460590365).

55001166011 is a wasteful number, since it uses less digits than its factorization.

55001166011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602 (or 44591 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 55001166011 its reverse (11066110055), we get a palindrome (66067276066).

The spelling of 55001166011 in words is "fifty-five billion, one million, one hundred sixty-six thousand, eleven".