100550642500481 has 2 divisors, whose sum is σ = 100550642500482. Its totient is φ = 100550642500480.

The previous prime is 100550642500409. The next prime is 100550642500493. The reversal of 100550642500481 is 184005246055001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100456700250481 + 93942250000 = 10022809^2 + 306500^2 .

It is a cyclic number.

It is not a de Polignac number, because 100550642500481 - 2¹⁸ = 100550642238337 is a prime.

It is a super-2 number, since 2×100550642500481² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100550642502481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275321250240 + 50275321250241.

It is an arithmetic number, because the mean of its divisors is an integer number (50275321250241).

Almost surely, 2^{100550642500481} is an apocalyptic number.

It is an amenable number.

100550642500481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100550642500481 is an equidigital number, since it uses as much as digits as its factorization.

100550642500481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 41.

Adding to 100550642500481 its reverse (184005246055001), we get a palindrome (284555888555482).

The spelling of 100550642500481 in words is "one hundred trillion, five hundred fifty billion, six hundred forty-two million, five hundred thousand, four hundred eighty-one".