51010110601 has 4 divisors (see below), whose sum is σ = 51972565572. Its totient is φ = 50047655632.

The previous prime is 51010110589. The next prime is 51010110617. The reversal of 51010110601 is 10601101015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40380500601 + 10629610000 = 200949^2 + 103100^2 .

It is a cyclic number.

It is not a de Polignac number, because 51010110601 - 2²³ = 51001721993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51010110001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481227406 + ... + 481227511.

It is an arithmetic number, because the mean of its divisors is an integer number (12993141393).

Almost surely, 2^51010110601 is an apocalyptic number.

It is an amenable number.

51010110601 is a deficient number, since it is larger than the sum of its proper divisors (962454971).

51010110601 is an equidigital number, since it uses as much as digits as its factorization.

51010110601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962454970.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 51010110601 its reverse (10601101015), we get a palindrome (61611211616).

The spelling of 51010110601 in words is "fifty-one billion, ten million, one hundred ten thousand, six hundred one".