5511505423 has 2 divisors, whose sum is σ = 5511505424. Its totient is φ = 5511505422.

The previous prime is 5511505421. The next prime is 5511505429. The reversal of 5511505423 is 3245051155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5511505423 - 2¹ = 5511505421 is a prime.

Together with 5511505421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5511505421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755752711 + 2755752712.

It is an arithmetic number, because the mean of its divisors is an integer number (2755752712).

Almost surely, 2^5511505423 is an apocalyptic number.

5511505423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511505423 is an equidigital number, since it uses as much as digits as its factorization.

5511505423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5511505423 is about 74239.5138925357. The cubic root of 5511505423 is about 1766.4041634459.

Adding to 5511505423 its reverse (3245051155), we get a palindrome (8756556578).

The spelling of 5511505423 in words is "five billion, five hundred eleven million, five hundred five thousand, four hundred twenty-three".