2113005571 has 2 divisors, whose sum is σ = 2113005572. Its totient is φ = 2113005570.

The previous prime is 2113005541. The next prime is 2113005577. The reversal of 2113005571 is 1755003112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113005571 - 2¹³ = 2112997379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113005577) 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 as a sum of consecutive naturals, namely, 1056502785 + 1056502786.

It is an arithmetic number, because the mean of its divisors is an integer number (1056502786).

Almost surely, 2^2113005571 is an apocalyptic number.

2113005571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113005571 is an equidigital number, since it uses as much as digits as its factorization.

2113005571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 2113005571 is about 45967.4403355244. The cubic root of 2113005571 is about 1283.2173236488.

Adding to 2113005571 its reverse (1755003112), we get a palindrome (3868008683).

The spelling of 2113005571 in words is "two billion, one hundred thirteen million, five thousand, five hundred seventy-one".