5510516561 has 16 divisors (see below), whose sum is σ = 6385236480. Its totient is φ = 4699956480.

The previous prime is 5510516533. The next prime is 5510516587. The reversal of 5510516561 is 1656150155.

It is a cyclic number.

It is not a de Polignac number, because 5510516561 - 2²² = 5506322257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5510516261) 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 15 ways as a sum of consecutive naturals, for example, 12800 + ... + 105758.

It is an arithmetic number, because the mean of its divisors is an integer number (399077280).

Almost surely, 2^5510516561 is an apocalyptic number.

It is an amenable number.

5510516561 is a deficient number, since it is larger than the sum of its proper divisors (874719919).

5510516561 is a wasteful number, since it uses less digits than its factorization.

5510516561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93304.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 5510516561 is about 74232.8536498497. The cubic root of 5510516561 is about 1766.2985156966.

The spelling of 5510516561 in words is "five billion, five hundred ten million, five hundred sixteen thousand, five hundred sixty-one".