121415530559 has 2 divisors, whose sum is σ = 121415530560. Its totient is φ = 121415530558.

The previous prime is 121415530543. The next prime is 121415530583. The reversal of 121415530559 is 955035514121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121415530559 - 2⁴ = 121415530543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121415532559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60707765279 + 60707765280.

It is an arithmetic number, because the mean of its divisors is an integer number (60707765280).

Almost surely, 2^121415530559 is an apocalyptic number.

121415530559 is a deficient number, since it is larger than the sum of its proper divisors (1).

121415530559 is an equidigital number, since it uses as much as digits as its factorization.

121415530559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 121415530559 in words is "one hundred twenty-one billion, four hundred fifteen million, five hundred thirty thousand, five hundred fifty-nine".