5511126509 has 16 divisors (see below), whose sum is σ = 6369141120. Its totient is φ = 4670913600.

The previous prime is 5511126493. The next prime is 5511126539. The reversal of 5511126509 is 9056211155.

It is a cyclic number.

It is not a de Polignac number, because 5511126509 - 2⁴ = 5511126493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511126539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581402 + ... + 590804.

It is an arithmetic number, because the mean of its divisors is an integer number (398071320).

Almost surely, 2^5511126509 is an apocalyptic number.

It is an amenable number.

5511126509 is a deficient number, since it is larger than the sum of its proper divisors (858014611).

5511126509 is a wasteful number, since it uses less digits than its factorization.

5511126509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340.

The product of its (nonzero) digits is 13500, while the sum is 35.

The square root of 5511126509 is about 74236.9618788377. The cubic root of 5511126509 is about 1766.3636826362.

The spelling of 5511126509 in words is "five billion, five hundred eleven million, one hundred twenty-six thousand, five hundred nine".