52571116919 has 2 divisors, whose sum is σ = 52571116920. Its totient is φ = 52571116918.

The previous prime is 52571116907. The next prime is 52571116921. The reversal of 52571116919 is 91961117525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52571116919 is a prime.

It is a super-2 number, since 2×52571116919² (a number of 22 digits) contains 22 as substring.

Together with 52571116921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52571916919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26285558459 + 26285558460.

It is an arithmetic number, because the mean of its divisors is an integer number (26285558460).

Almost surely, 2^52571116919 is an apocalyptic number.

52571116919 is a deficient number, since it is larger than the sum of its proper divisors (1).

52571116919 is an equidigital number, since it uses as much as digits as its factorization.

52571116919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 47.

The spelling of 52571116919 in words is "fifty-two billion, five hundred seventy-one million, one hundred sixteen thousand, nine hundred nineteen".