5511001001 has 8 divisors (see below), whose sum is σ = 6174488064. Its totient is φ = 4874595120.

The previous prime is 5511000991. The next prime is 5511001009. The reversal of 5511001001 is 1001001155.

5511001001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5511001001 is a prime.

It is a super-2 number, since 2×5511001001² = 60742264066046004002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6769865 + ... + 6770678.

It is an arithmetic number, because the mean of its divisors is an integer number (771811008).

Almost surely, 2^5511001001 is an apocalyptic number.

It is an amenable number.

5511001001 is a deficient number, since it is larger than the sum of its proper divisors (663487063).

5511001001 is a wasteful number, since it uses less digits than its factorization.

5511001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540591.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 5511001001 is about 74236.1165538715. The cubic root of 5511001001 is about 1766.3502737348.

Adding to 5511001001 its reverse (1001001155), we get a palindrome (6512002156).

The spelling of 5511001001 in words is "five billion, five hundred eleven million, one thousand, one".