51119112 has 96 divisors (see below), whose sum is σ = 145555200. Its totient is φ = 14931840.

The previous prime is 51119111. The next prime is 51119113. The reversal of 51119112 is 21191115.

It is an interprime number because it is at equal distance from previous prime (51119111) and next prime (51119113).

It is a super-2 number, since 2×51119112² = 5226327223337088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51119111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83913 + ... + 84519.

It is an arithmetic number, because the mean of its divisors is an integer number (1516200).

Almost surely, 2^51119112 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 51119112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72777600).

51119112 is an abundant number, since it is smaller than the sum of its proper divisors (94436088).

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

51119112 is a wasteful number, since it uses less digits than its factorization.

51119112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 652 counting only the distinct ones).

The product of its digits is 90, while the sum is 21.

The square root of 51119112 is about 7149.7630729976. The cubic root of 51119112 is about 371.1314573515.

The spelling of 51119112 in words is "fifty-one million, one hundred nineteen thousand, one hundred twelve".