5111988165318 has 32 divisors (see below), whose sum is σ = 10289376879840. Its totient is φ = 1693096554240.

The previous prime is 5111988165307. The next prime is 5111988165341. The reversal of 5111988165318 is 8135618891115.

It is a super-2 number, since 2×5111988165318² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66034138 + ... + 66111506.

It is an arithmetic number, because the mean of its divisors is an integer number (321543027495).

Almost surely, 2^{5111988165318} is an apocalyptic number.

5111988165318 is an abundant number, since it is smaller than the sum of its proper divisors (5177388714522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111988165318 is a wasteful number, since it uses less digits than its factorization.

5111988165318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147672.

The product of its digits is 2073600, while the sum is 57.

The spelling of 5111988165318 in words is "five trillion, one hundred eleven billion, nine hundred eighty-eight million, one hundred sixty-five thousand, three hundred eighteen".