51310006501 has 16 divisors (see below), whose sum is σ = 57271858560. Its totient is φ = 45642260160.

The previous prime is 51310006463. The next prime is 51310006591. The reversal of 51310006501 is 10560001315.

It is not a de Polignac number, because 51310006501 - 2¹³ = 51309998309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310006591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67056 + ... + 327286.

It is an arithmetic number, because the mean of its divisors is an integer number (3579491160).

Almost surely, 2^51310006501 is an apocalyptic number.

It is an amenable number.

51310006501 is a deficient number, since it is larger than the sum of its proper divisors (5961852059).

51310006501 is a wasteful number, since it uses less digits than its factorization.

51310006501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260796.

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

Adding to 51310006501 its reverse (10560001315), we get a palindrome (61870007816).

The spelling of 51310006501 in words is "fifty-one billion, three hundred ten million, six thousand, five hundred one".