51006126359 has 4 divisors (see below), whose sum is σ = 51265040904. Its totient is φ = 50747211816.

The previous prime is 51006126349. The next prime is 51006126361. The reversal of 51006126359 is 95362160015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51006126359 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 (51006126319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129456977 + ... + 129457370.

It is an arithmetic number, because the mean of its divisors is an integer number (12816260226).

Almost surely, 2^51006126359 is an apocalyptic number.

51006126359 is a deficient number, since it is larger than the sum of its proper divisors (258914545).

51006126359 is a wasteful number, since it uses less digits than its factorization.

51006126359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258914544.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 51006126359 in words is "fifty-one billion, six million, one hundred twenty-six thousand, three hundred fifty-nine".