121052066895 has 16 divisors (see below), whose sum is σ = 215203674720. Its totient is φ = 64561102272.

The previous prime is 121052066879. The next prime is 121052066897. The reversal of 121052066895 is 598660250121.

It is not a de Polignac number, because 121052066895 - 2⁴ = 121052066879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 121052066895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121052066897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448340854 + ... + 448341123.

It is an arithmetic number, because the mean of its divisors is an integer number (13450229670).

Almost surely, 2^121052066895 is an apocalyptic number.

121052066895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121052066895 is a deficient number, since it is larger than the sum of its proper divisors (94151607825).

121052066895 is an equidigital number, since it uses as much as digits as its factorization.

121052066895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896681991 (or 896681985 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 121052066895 in words is "one hundred twenty-one billion, fifty-two million, sixty-six thousand, eight hundred ninety-five".