51312521201422 has 8 divisors (see below), whose sum is σ = 82889457325416. Its totient is φ = 23682702092952.

The previous prime is 51312521201363. The next prime is 51312521201441. The reversal of 51312521201422 is 22410212521315.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 986779253848 + ... + 986779253899.

It is an arithmetic number, because the mean of its divisors is an integer number (10361182165677).

Almost surely, 2^{51312521201422} is an apocalyptic number.

51312521201422 is a deficient number, since it is larger than the sum of its proper divisors (31576936123994).

51312521201422 is a wasteful number, since it uses less digits than its factorization.

51312521201422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973558507762.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 51312521201422 its reverse (22410212521315), we get a palindrome (73722733722737).

The spelling of 51312521201422 in words is "fifty-one trillion, three hundred twelve billion, five hundred twenty-one million, two hundred one thousand, four hundred twenty-two".