5166514155279 has 4 divisors (see below), whose sum is σ = 6888685540376. Its totient is φ = 3444342770184.

The previous prime is 5166514155259. The next prime is 5166514155287. The reversal of 5166514155279 is 9725514156615.

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

It is not a de Polignac number, because 5166514155279 - 2¹⁷ = 5166514024207 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 (5166514155259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861085692544 + ... + 861085692549.

It is an arithmetic number, because the mean of its divisors is an integer number (1722171385094).

Almost surely, 2^{5166514155279} is an apocalyptic number.

5166514155279 is a deficient number, since it is larger than the sum of its proper divisors (1722171385097).

5166514155279 is a wasteful number, since it uses less digits than its factorization.

5166514155279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722171385096.

The product of its digits is 11340000, while the sum is 57.

The spelling of 5166514155279 in words is "five trillion, one hundred sixty-six billion, five hundred fourteen million, one hundred fifty-five thousand, two hundred seventy-nine".