32550215501 has 2 divisors, whose sum is σ = 32550215502. Its totient is φ = 32550215500.

The previous prime is 32550215497. The next prime is 32550215507. The reversal of 32550215501 is 10551205523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25616322601 + 6933892900 = 160051^2 + 83270^2 .

It is an emirp because it is prime and its reverse (10551205523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32550215501 - 2² = 32550215497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32550215507) 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 as a sum of consecutive naturals, namely, 16275107750 + 16275107751.

It is an arithmetic number, because the mean of its divisors is an integer number (16275107751).

Almost surely, 2^32550215501 is an apocalyptic number.

It is an amenable number.

32550215501 is a deficient number, since it is larger than the sum of its proper divisors (1).

32550215501 is an equidigital number, since it uses as much as digits as its factorization.

32550215501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 32550215501 in words is "thirty-two billion, five hundred fifty million, two hundred fifteen thousand, five hundred one".