650515500051 has 4 divisors (see below), whose sum is σ = 867354000072. Its totient is φ = 433677000032.

The previous prime is 650515500029. The next prime is 650515500077. The reversal of 650515500051 is 150005515056.

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 650515500051 - 2⁷ = 650515499923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650515499985 and 650515500021.

It is not an unprimeable number, because it can be changed into a prime (650515500001) 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 3 ways as a sum of consecutive naturals, for example, 108419250006 + ... + 108419250011.

It is an arithmetic number, because the mean of its divisors is an integer number (216838500018).

Almost surely, 2^650515500051 is an apocalyptic number.

650515500051 is a deficient number, since it is larger than the sum of its proper divisors (216838500021).

650515500051 is a wasteful number, since it uses less digits than its factorization.

650515500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216838500020.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 650515500051 in words is "six hundred fifty billion, five hundred fifteen million, five hundred thousand, fifty-one".