121541415433 has 2 divisors, whose sum is σ = 121541415434. Its totient is φ = 121541415432.

The previous prime is 121541415427. The next prime is 121541415491. The reversal of 121541415433 is 334514145121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74817566784 + 46723848649 = 273528^2 + 216157^2 .

It is a cyclic number.

It is not a de Polignac number, because 121541415433 - 2³³ = 112951480841 is a prime.

It is not a weakly prime, because it can be changed into another prime (121541415733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60770707716 + 60770707717.

It is an arithmetic number, because the mean of its divisors is an integer number (60770707717).

Almost surely, 2^121541415433 is an apocalyptic number.

It is an amenable number.

121541415433 is a deficient number, since it is larger than the sum of its proper divisors (1).

121541415433 is an equidigital number, since it uses as much as digits as its factorization.

121541415433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The spelling of 121541415433 in words is "one hundred twenty-one billion, five hundred forty-one million, four hundred fifteen thousand, four hundred thirty-three".