51006255101 has 8 divisors (see below), whose sum is σ = 51126064704. Its totient is φ = 50886491680.

The previous prime is 51006255073. The next prime is 51006255109. The reversal of 51006255101 is 10155260015.

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

It is a cyclic number.

It is not a de Polignac number, because 51006255101 - 2⁶ = 51006255037 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 (51006255109) 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, 3253241 + ... + 3268881.

It is an arithmetic number, because the mean of its divisors is an integer number (6390758088).

Almost surely, 2^51006255101 is an apocalyptic number.

It is an amenable number.

51006255101 is a deficient number, since it is larger than the sum of its proper divisors (119809603).

51006255101 is a wasteful number, since it uses less digits than its factorization.

51006255101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23091.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51006255101 in words is "fifty-one billion, six million, two hundred fifty-five thousand, one hundred one".