5217545111 has 2 divisors, whose sum is σ = 5217545112. Its totient is φ = 5217545110.

The previous prime is 5217545071. The next prime is 5217545143. The reversal of 5217545111 is 1115457125.

It is an a-pointer prime, because the next prime (5217545143) can be obtained adding 5217545111 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5217545111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5217535111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608772555 + 2608772556.

It is an arithmetic number, because the mean of its divisors is an integer number (2608772556).

Almost surely, 2^5217545111 is an apocalyptic number.

5217545111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217545111 is an equidigital number, since it uses as much as digits as its factorization.

5217545111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7000, while the sum is 32.

The square root of 5217545111 is about 72232.5765219544. The cubic root of 5217545111 is about 1734.4245183669.

The spelling of 5217545111 in words is "five billion, two hundred seventeen million, five hundred forty-five thousand, one hundred eleven".