5161418818742 has 8 divisors (see below), whose sum is σ = 7821943983336. Its totient is φ = 2554104157632.

The previous prime is 5161418818729. The next prime is 5161418818789. The reversal of 5161418818742 is 2478188141615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 13302625628 + ... + 13302626015.

It is an arithmetic number, because the mean of its divisors is an integer number (977742997917).

Almost surely, 2^{5161418818742} is an apocalyptic number.

5161418818742 is a deficient number, since it is larger than the sum of its proper divisors (2660525164594).

5161418818742 is a wasteful number, since it uses less digits than its factorization.

5161418818742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605251742.

The product of its digits is 3440640, while the sum is 56.

The spelling of 5161418818742 in words is "five trillion, one hundred sixty-one billion, four hundred eighteen million, eight hundred eighteen thousand, seven hundred forty-two".