121545425263 has 2 divisors, whose sum is σ = 121545425264. Its totient is φ = 121545425262.

The previous prime is 121545425257. The next prime is 121545425341. The reversal of 121545425263 is 362524545121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121545425263 - 2⁹ = 121545424751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121545425213) 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, 60772712631 + 60772712632.

It is an arithmetic number, because the mean of its divisors is an integer number (60772712632).

Almost surely, 2^121545425263 is an apocalyptic number.

121545425263 is a deficient number, since it is larger than the sum of its proper divisors (1).

121545425263 is an equidigital number, since it uses as much as digits as its factorization.

121545425263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 40.

The spelling of 121545425263 in words is "one hundred twenty-one billion, five hundred forty-five million, four hundred twenty-five thousand, two hundred sixty-three".