141355530520121 has 4 divisors (see below), whose sum is σ = 141395472747600. Its totient is φ = 141315588292644.

The previous prime is 141355530520093. The next prime is 141355530520129. The reversal of 141355530520121 is 121025035553141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141355530520121 - 2²⁶ = 141355463411257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141355530520129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19971108431 + ... + 19971115508.

It is an arithmetic number, because the mean of its divisors is an integer number (35348868186900).

Almost surely, 2^{141355530520121} is an apocalyptic number.

It is an amenable number.

141355530520121 is a deficient number, since it is larger than the sum of its proper divisors (39942227479).

141355530520121 is an equidigital number, since it uses as much as digits as its factorization.

141355530520121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39942227478.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 141355530520121 in words is "one hundred forty-one trillion, three hundred fifty-five billion, five hundred thirty million, five hundred twenty thousand, one hundred twenty-one".