5511489073 has 4 divisors (see below), whose sum is σ = 5511984228. Its totient is φ = 5510993920.

The previous prime is 5511489059. The next prime is 5511489107. The reversal of 5511489073 is 3709841155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3709841155 = 5 ⋅741968231.

It can be written as a sum of positive squares in 2 ways, for example, as 2247423649 + 3264065424 = 47407^2 + 57132^2 .

It is a cyclic number.

It is not a de Polignac number, because 5511489073 - 2⁵ = 5511489041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511489013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230488 + ... + 253273.

It is an arithmetic number, because the mean of its divisors is an integer number (1377996057).

Almost surely, 2^5511489073 is an apocalyptic number.

It is an amenable number.

5511489073 is a deficient number, since it is larger than the sum of its proper divisors (495155).

5511489073 is a wasteful number, since it uses less digits than its factorization.

5511489073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495154.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 5511489073 is about 74239.4037758925. The cubic root of 5511489073 is about 1766.4024167521.

The spelling of 5511489073 in words is "five billion, five hundred eleven million, four hundred eighty-nine thousand, seventy-three".