121533005267768 has 32 divisors (see below), whose sum is σ = 230480221992960. Its totient is φ = 60074994198240.

The previous prime is 121533005267749. The next prime is 121533005267783. The reversal of 121533005267768 is 867762500335121.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211053638 + ... + 211628693.

It is an arithmetic number, because the mean of its divisors is an integer number (7202506937280).

Almost surely, 2^{121533005267768} is an apocalyptic number.

It is an amenable number.

121533005267768 is a deficient number, since it is larger than the sum of its proper divisors (108947216725192).

121533005267768 is a wasteful number, since it uses less digits than its factorization.

121533005267768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422682747 (or 422682743 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 121533005267768 in words is "one hundred twenty-one trillion, five hundred thirty-three billion, five million, two hundred sixty-seven thousand, seven hundred sixty-eight".