5511000501011 has 4 divisors (see below), whose sum is σ = 5515788513024. Its totient is φ = 5506212489000.

The previous prime is 5511000500981. The next prime is 5511000501029. The reversal of 5511000501011 is 1101050001155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5511000501011 - 2⁶ = 5511000500947 is a prime.

It is a super-2 number, since 2×5511000501011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511000501311) 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 3 ways as a sum of consecutive naturals, for example, 2394004280 + ... + 2394006581.

It is an arithmetic number, because the mean of its divisors is an integer number (1378947128256).

Almost surely, 2^{5511000501011} is an apocalyptic number.

5511000501011 is a deficient number, since it is larger than the sum of its proper divisors (4788012013).

5511000501011 is a wasteful number, since it uses less digits than its factorization.

5511000501011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788012012.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 5511000501011 its reverse (1101050001155), we get a palindrome (6612050502166).

The spelling of 5511000501011 in words is "five trillion, five hundred eleven billion, five hundred one thousand, eleven".