51441115124 has 144 divisors (see below), whose sum is σ = 110813472000. Its totient is φ = 20803910400.

The previous prime is 51441115111. The next prime is 51441115139. The reversal of 51441115124 is 42151114415.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48944399 + ... + 48945449.

It is an arithmetic number, because the mean of its divisors is an integer number (769538000).

Almost surely, 2^51441115124 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 51441115124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55406736000).

51441115124 is an abundant number, since it is smaller than the sum of its proper divisors (59372356876).

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

51441115124 is a wasteful number, since it uses less digits than its factorization.

51441115124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1277 counting only the distinct ones).

The product of its digits is 3200, while the sum is 29.

Adding to 51441115124 its reverse (42151114415), we get a palindrome (93592229539).

The spelling of 51441115124 in words is "fifty-one billion, four hundred forty-one million, one hundred fifteen thousand, one hundred twenty-four".