5118471081 has 24 divisors (see below), whose sum is σ = 7673047200. Its totient is φ = 3409700832.

The previous prime is 5118471077. The next prime is 5118471107. The reversal of 5118471081 is 1801748115.

It is not a de Polignac number, because 5118471081 - 2² = 5118471077 is a prime.

It is a super-2 number, since 2×5118471081² = 52397492414066617122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5118471181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340870 + ... + 355568.

It is an arithmetic number, because the mean of its divisors is an integer number (319710300).

Almost surely, 2^5118471081 is an apocalyptic number.

It is an amenable number.

5118471081 is a deficient number, since it is larger than the sum of its proper divisors (2554576119).

5118471081 is a wasteful number, since it uses less digits than its factorization.

5118471081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16147 (or 16135 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The square root of 5118471081 is about 71543.4908359943. The cubic root of 5118471081 is about 1723.3761747305.

It can be divided in two parts, 51184 and 71081, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 5118471081 in words is "five billion, one hundred eighteen million, four hundred seventy-one thousand, eighty-one".