51113160 has 128 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 11681280.

The previous prime is 51113159. The next prime is 51113207. The reversal of 51113160 is 6131115.

51113160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51113160² = 5225110250371200, which contains 22 as substring.

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

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 31 ways as a sum of consecutive naturals, for example, 4180 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (1521450).

Almost surely, 2^51113160 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 51113160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97372800).

51113160 is an abundant number, since it is smaller than the sum of its proper divisors (143632440).

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

51113160 is a wasteful number, since it uses less digits than its factorization.

51113160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 51113160 is about 7149.3468233119. The cubic root of 51113160 is about 371.1170526922.

Adding to 51113160 its reverse (6131115), we get a palindrome (57244275).

The spelling of 51113160 in words is "fifty-one million, one hundred thirteen thousand, one hundred sixty".