5111109125 has 32 divisors (see below), whose sum is σ = 6467205888. Its totient is φ = 4032494400.

The previous prime is 5111109121. The next prime is 5111109149. The reversal of 5111109125 is 5219011115.

It is not a de Polignac number, because 5111109125 - 2² = 5111109121 is a prime.

It is a super-3 number, since 3×5111109125³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5111109094 and 5111109103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111109121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3516899 + ... + 3518351.

It is an arithmetic number, because the mean of its divisors is an integer number (202100184).

Almost surely, 2^5111109125 is an apocalyptic number.

It is an amenable number.

5111109125 is a deficient number, since it is larger than the sum of its proper divisors (1356096763).

5111109125 is a wasteful number, since it uses less digits than its factorization.

5111109125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 26.

The square root of 5111109125 is about 71492.0214079865. The cubic root of 5111109125 is about 1722.5495276677.

The spelling of 5111109125 in words is "five billion, one hundred eleven million, one hundred nine thousand, one hundred twenty-five".