121053045550055 has 8 divisors (see below), whose sum is σ = 145306746835344. Its totient is φ = 96813708323200.

The previous prime is 121053045550043. The next prime is 121053045550067. The reversal of 121053045550055 is 550055540350121.

It is an interprime number because it is at equal distance from previous prime (121053045550043) and next prime (121053045550067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121053045550055 - 2¹⁰ = 121053045549031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121053045549994 and 121053045550021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3590996066 + ... + 3591029775.

It is an arithmetic number, because the mean of its divisors is an integer number (18163343354418).

Almost surely, 2^{121053045550055} is an apocalyptic number.

121053045550055 is a deficient number, since it is larger than the sum of its proper divisors (24253701285289).

121053045550055 is an equidigital number, since it uses as much as digits as its factorization.

121053045550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182029217.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 121053045550055 in words is "one hundred twenty-one trillion, fifty-three billion, forty-five million, five hundred fifty thousand, fifty-five".