141353505251521 has 4 divisors (see below), whose sum is σ = 141353548910532. Its totient is φ = 141353461592512.

The previous prime is 141353505251507. The next prime is 141353505251531. The reversal of 141353505251521 is 125152505353141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86184040663296 + 55169464588225 = 9283536^2 + 7427615^2 .

It is a cyclic number.

It is not a de Polignac number, because 141353505251521 - 2⁷ = 141353505251393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141353505251531) 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 3 ways as a sum of consecutive naturals, for example, 16546876 + ... + 23590381.

It is an arithmetic number, because the mean of its divisors is an integer number (35338387227633).

Almost surely, 2^{141353505251521} is an apocalyptic number.

It is an amenable number.

141353505251521 is a deficient number, since it is larger than the sum of its proper divisors (43659011).

141353505251521 is an equidigital number, since it uses as much as digits as its factorization.

141353505251521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43659010.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 141353505251521 in words is "one hundred forty-one trillion, three hundred fifty-three billion, five hundred five million, two hundred fifty-one thousand, five hundred twenty-one".