5511045643 has 2 divisors, whose sum is σ = 5511045644. Its totient is φ = 5511045642.

The previous prime is 5511045613. The next prime is 5511045691. The reversal of 5511045643 is 3465401155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5511045643 - 2⁵ = 5511045611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5511045599 and 5511045608.

It is not a weakly prime, because it can be changed into another prime (5511045613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755522821 + 2755522822.

It is an arithmetic number, because the mean of its divisors is an integer number (2755522822).

Almost surely, 2^5511045643 is an apocalyptic number.

5511045643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511045643 is an equidigital number, since it uses as much as digits as its factorization.

5511045643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 5511045643 is about 74236.4172290123. The cubic root of 5511045643 is about 1766.3550431767.

Adding to 5511045643 its reverse (3465401155), we get a palindrome (8976446798).

The spelling of 5511045643 in words is "five billion, five hundred eleven million, forty-five thousand, six hundred forty-three".