5110110115666 has 4 divisors (see below), whose sum is σ = 7665165173502. Its totient is φ = 2555055057832.

The previous prime is 5110110115651. The next prime is 5110110115697. The reversal of 5110110115666 is 6665110110115.

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

It can be written as a sum of positive squares in only one way, i.e., 3501842285041 + 1608267830625 = 1871321^2 + 1268175^2 .

It is a super-3 number, since 3×5110110115666³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277527528915 + ... + 1277527528918.

Almost surely, 2^{5110110115666} is an apocalyptic number.

5110110115666 is a deficient number, since it is larger than the sum of its proper divisors (2555055057836).

5110110115666 is a wasteful number, since it uses less digits than its factorization.

5110110115666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555055057835.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 5110110115666 in words is "five trillion, one hundred ten billion, one hundred ten million, one hundred fifteen thousand, six hundred sixty-six".