51131450024 has 32 divisors (see below), whose sum is σ = 97935696000. Its totient is φ = 25015536000.

The previous prime is 51131449991. The next prime is 51131450093. The reversal of 51131450024 is 42005413115.

It is a super-2 number, since 2×51131450024² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51131449975 and 51131450002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733399 + ... + 1762649.

It is an arithmetic number, because the mean of its divisors is an integer number (3060490500).

Almost surely, 2^51131450024 is an apocalyptic number.

It is an amenable number.

51131450024 is a deficient number, since it is larger than the sum of its proper divisors (46804245976).

51131450024 is a wasteful number, since it uses less digits than its factorization.

51131450024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33953 (or 33949 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 51131450024 its reverse (42005413115), we get a palindrome (93136863139).

The spelling of 51131450024 in words is "fifty-one billion, one hundred thirty-one million, four hundred fifty thousand, twenty-four".