51305103121 has 8 divisors (see below), whose sum is σ = 52408661760. Its totient is φ = 50209343952.

The previous prime is 51305103107. The next prime is 51305103127. The reversal of 51305103121 is 12130150315.

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

It is a cyclic number.

It is not a de Polignac number, because 51305103121 - 2¹⁷ = 51304972049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51305103092 and 51305103101.

It is not an unprimeable number, because it can be changed into a prime (51305103127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936570 + ... + 1962883.

It is an arithmetic number, because the mean of its divisors is an integer number (6551082720).

Almost surely, 2^51305103121 is an apocalyptic number.

It is an amenable number.

51305103121 is a deficient number, since it is larger than the sum of its proper divisors (1103558639).

51305103121 is a wasteful number, since it uses less digits than its factorization.

51305103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899735.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 51305103121 its reverse (12130150315), we get a palindrome (63435253436).

The spelling of 51305103121 in words is "fifty-one billion, three hundred five million, one hundred three thousand, one hundred twenty-one".