5166516601111 has 4 divisors (see below), whose sum is σ = 5166569519272. Its totient is φ = 5166463682952.

The previous prime is 5166516601091. The next prime is 5166516601117. The reversal of 5166516601111 is 1111066156615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5166516601111 - 2⁷ = 5166516600983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166516601117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26312361 + ... + 26507986.

It is an arithmetic number, because the mean of its divisors is an integer number (1291642379818).

Almost surely, 2^{5166516601111} is an apocalyptic number.

5166516601111 is a deficient number, since it is larger than the sum of its proper divisors (52918161).

5166516601111 is an equidigital number, since it uses as much as digits as its factorization.

5166516601111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52918160.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 5166516601111 in words is "five trillion, one hundred sixty-six billion, five hundred sixteen million, six hundred one thousand, one hundred eleven".