52115548743109 has 2 divisors, whose sum is σ = 52115548743110. Its totient is φ = 52115548743108.

The previous prime is 52115548743107. The next prime is 52115548743301. The reversal of 52115548743109 is 90134784551125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50506464104100 + 1609084639009 = 7106790^2 + 1268497^2 .

It is a cyclic number.

It is not a de Polignac number, because 52115548743109 - 2¹ = 52115548743107 is a prime.

Together with 52115548743107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52115548743109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52115548743107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26057774371554 + 26057774371555.

It is an arithmetic number, because the mean of its divisors is an integer number (26057774371555).

Almost surely, 2^{52115548743109} is an apocalyptic number.

It is an amenable number.

52115548743109 is a deficient number, since it is larger than the sum of its proper divisors (1).

52115548743109 is an equidigital number, since it uses as much as digits as its factorization.

52115548743109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 52115548743109 in words is "fifty-two trillion, one hundred fifteen billion, five hundred forty-eight million, seven hundred forty-three thousand, one hundred nine".