121355448463 has 2 divisors, whose sum is σ = 121355448464. Its totient is φ = 121355448462.

The previous prime is 121355448367. The next prime is 121355448469. The reversal of 121355448463 is 364844553121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121355448463 - 2³³ = 112765513871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121355448469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60677724231 + 60677724232.

It is an arithmetic number, because the mean of its divisors is an integer number (60677724232).

Almost surely, 2^121355448463 is an apocalyptic number.

121355448463 is a deficient number, since it is larger than the sum of its proper divisors (1).

121355448463 is an equidigital number, since it uses as much as digits as its factorization.

121355448463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 46.

The spelling of 121355448463 in words is "one hundred twenty-one billion, three hundred fifty-five million, four hundred forty-eight thousand, four hundred sixty-three".