52111011109 has 2 divisors, whose sum is σ = 52111011110. Its totient is φ = 52111011108.

The previous prime is 52111011089. The next prime is 52111011137. The reversal of 52111011109 is 90111011125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51322637025 + 788374084 = 226545^2 + 28078^2 .

It is a cyclic number.

It is not a de Polignac number, because 52111011109 - 2⁷ = 52111010981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52111011109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52111011709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26055505554 + 26055505555.

It is an arithmetic number, because the mean of its divisors is an integer number (26055505555).

Almost surely, 2^52111011109 is an apocalyptic number.

It is an amenable number.

52111011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

52111011109 is an equidigital number, since it uses as much as digits as its factorization.

52111011109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 22.

The spelling of 52111011109 in words is "fifty-two billion, one hundred eleven million, eleven thousand, one hundred nine".