5200981111 has 2 divisors, whose sum is σ = 5200981112. Its totient is φ = 5200981110.

The previous prime is 5200981103. The next prime is 5200981127. The reversal of 5200981111 is 1111890025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5200981111 - 2³ = 5200981103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5200981111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5200981711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600490555 + 2600490556.

It is an arithmetic number, because the mean of its divisors is an integer number (2600490556).

Almost surely, 2^5200981111 is an apocalyptic number.

5200981111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200981111 is an equidigital number, since it uses as much as digits as its factorization.

5200981111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The square root of 5200981111 is about 72117.8279692338. The cubic root of 5200981111 is about 1732.5871623831.

The spelling of 5200981111 in words is "five billion, two hundred million, nine hundred eighty-one thousand, one hundred eleven".