51006105101 has 4 divisors (see below), whose sum is σ = 58292691552. Its totient is φ = 43719518652.

The previous prime is 51006105079. The next prime is 51006105133. The reversal of 51006105101 is 10150160015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51006105101 - 2³⁴ = 33826235917 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 (51006125101) 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 3 ways as a sum of consecutive naturals, for example, 3643293215 + ... + 3643293228.

It is an arithmetic number, because the mean of its divisors is an integer number (14573172888).

Almost surely, 2^51006105101 is an apocalyptic number.

It is an amenable number.

51006105101 is a deficient number, since it is larger than the sum of its proper divisors (7286586451).

51006105101 is an equidigital number, since it uses as much as digits as its factorization.

51006105101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286586450.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 51006105101 its reverse (10150160015), we get a palindrome (61156265116).

The spelling of 51006105101 in words is "fifty-one billion, six million, one hundred five thousand, one hundred one".