51231124052 has 24 divisors (see below), whose sum is σ = 92468597760. Its totient is φ = 24822317600.

The previous prime is 51231124033. The next prime is 51231124103. The reversal of 51231124052 is 25042113215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330052 + ... + 1368027.

It is an arithmetic number, because the mean of its divisors is an integer number (3852858240).

Almost surely, 2^51231124052 is an apocalyptic number.

It is an amenable number.

51231124052 is a deficient number, since it is larger than the sum of its proper divisors (41237473708).

51231124052 is a wasteful number, since it uses less digits than its factorization.

51231124052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698231 (or 2698229 counting only the distinct ones).

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

Adding to 51231124052 its reverse (25042113215), we get a palindrome (76273237267).

The spelling of 51231124052 in words is "fifty-one billion, two hundred thirty-one million, one hundred twenty-four thousand, fifty-two".