5511111101 has 16 divisors (see below), whose sum is σ = 5932604160. Its totient is φ = 5103063360.

The previous prime is 5511111091. The next prime is 5511111217. The reversal of 5511111101 is 1011111155.

It is a cyclic number.

It is not a de Polignac number, because 5511111101 - 2⁶ = 5511111037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5511111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511111301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729395 + ... + 736911.

It is an arithmetic number, because the mean of its divisors is an integer number (370787760).

Almost surely, 2^5511111101 is an apocalyptic number.

It is an amenable number.

5511111101 is a deficient number, since it is larger than the sum of its proper divisors (421493059).

5511111101 is a wasteful number, since it uses less digits than its factorization.

5511111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404.

The product of its (nonzero) digits is 25, while the sum is 17.

The square root of 5511111101 is about 74236.8581029666. The cubic root of 5511111101 is about 1766.3620365023.

Adding to 5511111101 its reverse (1011111155), we get a palindrome (6522222256).

The spelling of 5511111101 in words is "five billion, five hundred eleven million, one hundred eleven thousand, one hundred one".