5011166565103 has 2 divisors, whose sum is σ = 5011166565104. Its totient is φ = 5011166565102.

The previous prime is 5011166565101. The next prime is 5011166565107. The reversal of 5011166565103 is 3015656611105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5011166565103 - 2¹ = 5011166565101 is a prime.

It is a super-2 number, since 2×5011166565103² (a number of 26 digits) contains 22 as substring.

Together with 5011166565101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5011166565101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505583282551 + 2505583282552.

It is an arithmetic number, because the mean of its divisors is an integer number (2505583282552).

Almost surely, 2^{5011166565103} is an apocalyptic number.

5011166565103 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011166565103 is an equidigital number, since it uses as much as digits as its factorization.

5011166565103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 5011166565103 in words is "five trillion, eleven billion, one hundred sixty-six million, five hundred sixty-five thousand, one hundred three".