350120535521 has 2 divisors, whose sum is σ = 350120535522. Its totient is φ = 350120535520.

The previous prime is 350120535491. The next prime is 350120535577. The reversal of 350120535521 is 125535021053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176010455296 + 174110080225 = 419536^2 + 417265^2 .

It is a cyclic number.

It is not a de Polignac number, because 350120535521 - 2²² = 350116341217 is a prime.

It is not a weakly prime, because it can be changed into another prime (350120531521) 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, 175060267760 + 175060267761.

It is an arithmetic number, because the mean of its divisors is an integer number (175060267761).

Almost surely, 2^350120535521 is an apocalyptic number.

It is an amenable number.

350120535521 is a deficient number, since it is larger than the sum of its proper divisors (1).

350120535521 is an equidigital number, since it uses as much as digits as its factorization.

350120535521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 350120535521 its reverse (125535021053), we get a palindrome (475655556574).

The spelling of 350120535521 in words is "three hundred fifty billion, one hundred twenty million, five hundred thirty-five thousand, five hundred twenty-one".