5111101116 has 72 divisors (see below), whose sum is σ = 14475215664. Its totient is φ = 1506954240.

The previous prime is 5111101091. The next prime is 5111101183. The reversal of 5111101116 is 6111011115.

It is a happy number.

It is a super-2 number, since 2×5111101116² = 52246709235952890912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159765 + ... + 189068.

It is an arithmetic number, because the mean of its divisors is an integer number (201044662).

Almost surely, 2^5111101116 is an apocalyptic number.

It is an amenable number.

5111101116 is an abundant number, since it is smaller than the sum of its proper divisors (9364114548).

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

5111101116 is a wasteful number, since it uses less digits than its factorization.

5111101116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348891 (or 348886 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

The square root of 5111101116 is about 71491.9653947211. The cubic root of 5111101116 is about 1722.5486279343.

Subtracting 5111101116 from its reverse (6111011115), we obtain a palindrome (999909999).

The spelling of 5111101116 in words is "five billion, one hundred eleven million, one hundred one thousand, one hundred sixteen".