5118331951 has 4 divisors (see below), whose sum is σ = 5205083400. Its totient is φ = 5031580504.

The previous prime is 5118331943. The next prime is 5118331957. The reversal of 5118331951 is 1591338115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1591338115 = 5 ⋅318267623.

It is a cyclic number.

It is not a de Polignac number, because 5118331951 - 2³ = 5118331943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5118331951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118331957) 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, 43375636 + ... + 43375753.

It is an arithmetic number, because the mean of its divisors is an integer number (1301270850).

Almost surely, 2^5118331951 is an apocalyptic number.

5118331951 is a deficient number, since it is larger than the sum of its proper divisors (86751449).

5118331951 is an equidigital number, since it uses as much as digits as its factorization.

5118331951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86751448.

The product of its digits is 16200, while the sum is 37.

The square root of 5118331951 is about 71542.5184837660. The cubic root of 5118331951 is about 1723.3605596835.

The spelling of 5118331951 in words is "five billion, one hundred eighteen million, three hundred thirty-one thousand, nine hundred fifty-one".