51503341312 has 36 divisors (see below), whose sum is σ = 102826465560. Its totient is φ = 25746418688.

The previous prime is 51503341277. The next prime is 51503341339. The reversal of 51503341312 is 21314330515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439739 + ... + 1475077.

It is an arithmetic number, because the mean of its divisors is an integer number (2856290710).

Almost surely, 2^51503341312 is an apocalyptic number.

It is an amenable number.

51503341312 is a deficient number, since it is larger than the sum of its proper divisors (51323124248).

51503341312 is an equidigital number, since it uses as much as digits as its factorization.

51503341312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41048 (or 41034 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 51503341312 its reverse (21314330515), we get a palindrome (72817671827).

The spelling of 51503341312 in words is "fifty-one billion, five hundred three million, three hundred forty-one thousand, three hundred twelve".