5518281801 has 8 divisors (see below), whose sum is σ = 7361779104. Its totient is φ = 3676819520.

The previous prime is 5518281757. The next prime is 5518281823. The reversal of 5518281801 is 1081828155.

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 5518281801 - 2⁶ = 5518281737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5518281801.

It is not an unprimeable number, because it can be changed into a prime (5518281841) 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, 502416 + ... + 513281.

It is an arithmetic number, because the mean of its divisors is an integer number (920222388).

Almost surely, 2^5518281801 is an apocalyptic number.

It is an amenable number.

5518281801 is a deficient number, since it is larger than the sum of its proper divisors (1843497303).

5518281801 is a wasteful number, since it uses less digits than its factorization.

5518281801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017511.

The product of its (nonzero) digits is 25600, while the sum is 39.

The square root of 5518281801 is about 74285.1384935103. The cubic root of 5518281801 is about 1767.1277963510.

The spelling of 5518281801 in words is "five billion, five hundred eighteen million, two hundred eighty-one thousand, eight hundred one".