5515644011 has 4 divisors (see below), whose sum is σ = 5515836312. Its totient is φ = 5515451712.

The previous prime is 5515643993. The next prime is 5515644019. The reversal of 5515644011 is 1104465155.

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 5515644011 - 2¹⁴ = 5515627627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515644019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43526 + ... + 113691.

It is an arithmetic number, because the mean of its divisors is an integer number (1378959078).

Almost surely, 2^5515644011 is an apocalyptic number.

5515644011 is a deficient number, since it is larger than the sum of its proper divisors (192301).

5515644011 is a wasteful number, since it uses less digits than its factorization.

5515644011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192300.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 5515644011 is about 74267.3818779146. The cubic root of 5515644011 is about 1766.8461836369.

The spelling of 5515644011 in words is "five billion, five hundred fifteen million, six hundred forty-four thousand, eleven".