51060500507 has 4 divisors (see below), whose sum is σ = 51279644520. Its totient is φ = 50841356496.

The previous prime is 51060500461. The next prime is 51060500537. The reversal of 51060500507 is 70500506015.

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

It is a cyclic number.

It is not a de Polignac number, because 51060500507 - 2²⁶ = 50993391643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51060500507.

It is not an unprimeable number, because it can be changed into a prime (51060500537) 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, 109571657 + ... + 109572122.

It is an arithmetic number, because the mean of its divisors is an integer number (12819911130).

Almost surely, 2^51060500507 is an apocalyptic number.

51060500507 is a deficient number, since it is larger than the sum of its proper divisors (219144013).

51060500507 is a wasteful number, since it uses less digits than its factorization.

51060500507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219144012.

The product of its (nonzero) digits is 5250, while the sum is 29.

The spelling of 51060500507 in words is "fifty-one billion, sixty million, five hundred thousand, five hundred seven".