650050005005501 has 4 divisors (see below), whose sum is σ = 658278486081600. Its totient is φ = 641821523929404.

The previous prime is 650050005005491. The next prime is 650050005005567. The reversal of 650050005005501 is 105500500050056.

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 a de Polignac number, because none of the positive numbers 2^k-650050005005501 is a prime.

It is a super-2 number, since 2×650050005005501² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650050005005581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4114240537931 + ... + 4114240538088.

It is an arithmetic number, because the mean of its divisors is an integer number (164569621520400).

Almost surely, 2^{650050005005501} is an apocalyptic number.

It is an amenable number.

650050005005501 is a deficient number, since it is larger than the sum of its proper divisors (8228481076099).

650050005005501 is an equidigital number, since it uses as much as digits as its factorization.

650050005005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228481076098.

The product of its (nonzero) digits is 18750, while the sum is 32.

Adding to 650050005005501 its reverse (105500500050056), we get a palindrome (755550505055557).

The spelling of 650050005005501 in words is "six hundred fifty trillion, fifty billion, five million, five thousand, five hundred one".