5505611111001 has 12 divisors (see below), whose sum is σ = 8034534429012. Its totient is φ = 3632568155136.

The previous prime is 5505611110997. The next prime is 5505611111003. The reversal of 5505611111001 is 1001111165055.

5505611111001 is a `hidden beast` number, since 550 + 5 + 6 + 1 + 1 + 1 + 1 + 100 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3648997755225 + 1856613355776 = 1910235^2 + 1362576^2 .

It is not a de Polignac number, because 5505611111001 - 2² = 5505611110997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5505611111003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3153270096 + ... + 3153271841.

It is an arithmetic number, because the mean of its divisors is an integer number (669544535751).

Almost surely, 2^{5505611111001} is an apocalyptic number.

It is an amenable number.

5505611111001 is a deficient number, since it is larger than the sum of its proper divisors (2528923318011).

5505611111001 is a wasteful number, since it uses less digits than its factorization.

5505611111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306542040 (or 6306542037 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

Adding to 5505611111001 its reverse (1001111165055), we get a palindrome (6506722276056).

The spelling of 5505611111001 in words is "five trillion, five hundred five billion, six hundred eleven million, one hundred eleven thousand, one".