5511505111101 has 24 divisors (see below), whose sum is σ = 8710566893184. Its totient is φ = 3330394220160.

The previous prime is 5511505111031. The next prime is 5511505111103. The reversal of 5511505111101 is 1011115051155.

5511505111101 is a `hidden beast` number, since 5 + 51 + 1 + 505 + 1 + 1 + 1 + 101 = 666.

It is not a de Polignac number, because 5511505111101 - 2⁹ = 5511505110589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511505111103) 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 23 ways as a sum of consecutive naturals, for example, 82565701 + ... + 82632426.

It is an arithmetic number, because the mean of its divisors is an integer number (362940287216).

Almost surely, 2^{5511505111101} is an apocalyptic number.

It is an amenable number.

5511505111101 is a deficient number, since it is larger than the sum of its proper divisors (3199061782083).

5511505111101 is a wasteful number, since it uses less digits than its factorization.

5511505111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165198481 (or 165198478 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 27.

The spelling of 5511505111101 in words is "five trillion, five hundred eleven billion, five hundred five million, one hundred eleven thousand, one hundred one".