5105505571 has 2 divisors, whose sum is σ = 5105505572. Its totient is φ = 5105505570.

The previous prime is 5105505563. The next prime is 5105505619. The reversal of 5105505571 is 1755055015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5105505571 - 2³ = 5105505563 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105505521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552752785 + 2552752786.

It is an arithmetic number, because the mean of its divisors is an integer number (2552752786).

Almost surely, 2^5105505571 is an apocalyptic number.

5105505571 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105505571 is an equidigital number, since it uses as much as digits as its factorization.

5105505571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21875, while the sum is 34.

The square root of 5105505571 is about 71452.8205951312. The cubic root of 5105505571 is about 1721.9197929290.

The spelling of 5105505571 in words is "five billion, one hundred five million, five hundred five thousand, five hundred seventy-one".