5111421112 has 64 divisors (see below), whose sum is σ = 11319552000. Its totient is φ = 2117473920.

The previous prime is 5111421079. The next prime is 5111421131. The reversal of 5111421112 is 2111241115.

It is a super-2 number, since 2×5111421112² = 52253251568398633088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111421112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2948598 + ... + 2950330.

It is an arithmetic number, because the mean of its divisors is an integer number (176868000).

Almost surely, 2^5111421112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5659776000).

5111421112 is an abundant number, since it is smaller than the sum of its proper divisors (6208130888).

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

5111421112 is a wasteful number, since it uses less digits than its factorization.

5111421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476 (or 3472 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 5111421112 is about 71494.2033454461. The cubic root of 5111421112 is about 1722.5845756460.

Adding to 5111421112 its reverse (2111241115), we get a palindrome (7222662227).

The spelling of 5111421112 in words is "five billion, one hundred eleven million, four hundred twenty-one thousand, one hundred twelve".