5518779142 has 8 divisors (see below), whose sum is σ = 8278700832. Its totient is φ = 2759212200.

The previous prime is 5518779131. The next prime is 5518779181. The reversal of 5518779142 is 2419778155.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45609 + ... + 114532.

It is an arithmetic number, because the mean of its divisors is an integer number (1034837604).

Almost surely, 2^5518779142 is an apocalyptic number.

5518779142 is a deficient number, since it is larger than the sum of its proper divisors (2759921690).

5518779142 is a wasteful number, since it uses less digits than its factorization.

5518779142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177374.

The product of its digits is 705600, while the sum is 49.

The square root of 5518779142 is about 74288.4859315359. The cubic root of 5518779142 is about 1767.1808828451.

The spelling of 5518779142 in words is "five billion, five hundred eighteen million, seven hundred seventy-nine thousand, one hundred forty-two".