51060320103 has 8 divisors (see below), whose sum is σ = 73317382768. Its totient is φ = 31421735424.

The previous prime is 51060320099. The next prime is 51060320117. The reversal of 51060320103 is 30102306015.

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

It is not a de Polignac number, because 51060320103 - 2² = 51060320099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51060320103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654619450 + ... + 654619527.

It is an arithmetic number, because the mean of its divisors is an integer number (9164672846).

Almost surely, 2^51060320103 is an apocalyptic number.

51060320103 is a deficient number, since it is larger than the sum of its proper divisors (22257062665).

51060320103 is a wasteful number, since it uses less digits than its factorization.

51060320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309238993.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 51060320103 its reverse (30102306015), we get a palindrome (81162626118).

The spelling of 51060320103 in words is "fifty-one billion, sixty million, three hundred twenty thousand, one hundred three".