5518381059 has 12 divisors (see below), whose sum is σ = 7975110000. Its totient is φ = 3677021424.

The previous prime is 5518381039. The next prime is 5518381073. The reversal of 5518381059 is 9501838155.

5518381059 is a `hidden beast` number, since 5 + 518 + 3 + 81 + 0 + 59 = 666.

It is not a de Polignac number, because 5518381059 - 2¹¹ = 5518379011 is a prime.

It is a super-2 number, since 2×5518381059² = 60905059024659922962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5518381039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139759 + ... + 174840.

It is an arithmetic number, because the mean of its divisors is an integer number (664592500).

Almost surely, 2^5518381059 is an apocalyptic number.

5518381059 is a deficient number, since it is larger than the sum of its proper divisors (2456728941).

5518381059 is a wasteful number, since it uses less digits than its factorization.

5518381059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316554 (or 316551 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The square root of 5518381059 is about 74285.8065783767. The cubic root of 5518381059 is about 1767.1383914677.

The spelling of 5518381059 in words is "five billion, five hundred eighteen million, three hundred eighty-one thousand, fifty-nine".