5518051127 has 4 divisors (see below), whose sum is σ = 5536884360. Its totient is φ = 5499217896.

The previous prime is 5518051109. The next prime is 5518051139. The reversal of 5518051127 is 7211508155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5518051127 - 2³² = 1223083831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518051157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416177 + ... + 9416762.

It is an arithmetic number, because the mean of its divisors is an integer number (1384221090).

Almost surely, 2^5518051127 is an apocalyptic number.

5518051127 is a deficient number, since it is larger than the sum of its proper divisors (18833233).

5518051127 is a wasteful number, since it uses less digits than its factorization.

5518051127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18833232.

The product of its (nonzero) digits is 14000, while the sum is 35.

The square root of 5518051127 is about 74283.5858517883. The cubic root of 5518051127 is about 1767.1031729789.

The spelling of 5518051127 in words is "five billion, five hundred eighteen million, fifty-one thousand, one hundred twenty-seven".