51105000100101 has 8 divisors (see below), whose sum is σ = 68814653600544. Its totient is φ = 33732673333200.

The previous prime is 51105000100081. The next prime is 51105000100153. The reversal of 51105000100101 is 10100100050115.

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

It is not a de Polignac number, because 51105000100101 - 2¹⁰ = 51105000099077 is a prime.

It is a super-2 number, since 2×51105000100101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105000100171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84331683031 + ... + 84331683636.

It is an arithmetic number, because the mean of its divisors is an integer number (8601831700068).

Almost surely, 2^{51105000100101} is an apocalyptic number.

It is an amenable number.

51105000100101 is a deficient number, since it is larger than the sum of its proper divisors (17709653500443).

51105000100101 is a wasteful number, since it uses less digits than its factorization.

51105000100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168663366771.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 51105000100101 its reverse (10100100050115), we get a palindrome (61205100150216).

The spelling of 51105000100101 in words is "fifty-one trillion, one hundred five billion, one hundred thousand, one hundred one".