51151104024 has 64 divisors (see below), whose sum is σ = 135690422400. Its totient is φ = 16012982784.

The previous prime is 51151104019. The next prime is 51151104077. The reversal of 51151104024 is 42040115115.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 51151103985 and 51151104003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56307 + ... + 324765.

It is an arithmetic number, because the mean of its divisors is an integer number (2120162850).

Almost surely, 2^51151104024 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 51151104024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67845211200).

51151104024 is an abundant number, since it is smaller than the sum of its proper divisors (84539318376).

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

51151104024 is a wasteful number, since it uses less digits than its factorization.

51151104024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268952 (or 268948 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 51151104024 its reverse (42040115115), we get a palindrome (93191219139).

The spelling of 51151104024 in words is "fifty-one billion, one hundred fifty-one million, one hundred four thousand, twenty-four".