5118661019 has 8 divisors (see below), whose sum is σ = 5420383920. Its totient is φ = 4817007616.

The previous prime is 5118661013. The next prime is 5118661021. The reversal of 5118661019 is 9101668115.

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

It is a cyclic number.

It is not a de Polignac number, because 5118661019 - 2⁴ = 5118661003 is a prime.

It is a super-2 number, since 2×5118661019² = 52401381254860236722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5118661013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274412 + ... + 292470.

It is an arithmetic number, because the mean of its divisors is an integer number (677547990).

Almost surely, 2^5118661019 is an apocalyptic number.

5118661019 is a deficient number, since it is larger than the sum of its proper divisors (301722901).

5118661019 is a wasteful number, since it uses less digits than its factorization.

5118661019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34749.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 5118661019 is about 71544.8182540147. The cubic root of 5118661019 is about 1723.3974916805.

The spelling of 5118661019 in words is "five billion, one hundred eighteen million, six hundred sixty-one thousand, nineteen".