51625321034312 has 8 divisors (see below), whose sum is σ = 96797476939350. Its totient is φ = 25812660517152.

The previous prime is 51625321034311. The next prime is 51625321034323. The reversal of 51625321034312 is 21343012352615.

It can be written as a sum of positive squares in only one way, i.e., 39860105472196 + 11765215562116 = 6313486^2 + 3430046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51625321034311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3226582564637 + ... + 3226582564652.

Almost surely, 2^{51625321034312} is an apocalyptic number.

It is an amenable number.

51625321034312 is a deficient number, since it is larger than the sum of its proper divisors (45172155905038).

51625321034312 is a wasteful number, since it uses less digits than its factorization.

51625321034312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453165129295 (or 6453165129291 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 51625321034312 its reverse (21343012352615), we get a palindrome (72968333386927).

The spelling of 51625321034312 in words is "fifty-one trillion, six hundred twenty-five billion, three hundred twenty-one million, thirty-four thousand, three hundred twelve".