650012215601 has 8 divisors (see below), whose sum is σ = 742877574720. Its totient is φ = 557148474288.

The previous prime is 650012215549. The next prime is 650012215607. The reversal of 650012215601 is 106512210056.

It is a happy number.

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

It is not a de Polignac number, because 650012215601 - 2³⁴ = 632832346417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (650012215607) 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, 634430 + ... + 1304808.

It is an arithmetic number, because the mean of its divisors is an integer number (92859696840).

Almost surely, 2^650012215601 is an apocalyptic number.

It is an amenable number.

650012215601 is a deficient number, since it is larger than the sum of its proper divisors (92865359119).

650012215601 is a wasteful number, since it uses less digits than its factorization.

650012215601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808903.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 650012215601 its reverse (106512210056), we get a palindrome (756524425657).

The spelling of 650012215601 in words is "six hundred fifty billion, twelve million, two hundred fifteen thousand, six hundred one".