121003433975664 has 90 divisors (see below), whose sum is σ = 359733416475680. Its totient is φ = 37961861626368.

The previous prime is 121003433975617. The next prime is 121003433975761. The reversal of 121003433975664 is 466579334300121.

121003433975664 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 3 + 43 + 39 + 7 + 566 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121003433975664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1453767424 + ... + 1453850655.

Almost surely, 2^{121003433975664} is an apocalyptic number.

It is an amenable number.

121003433975664 is an abundant number, since it is smaller than the sum of its proper divisors (238729982500016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121003433975664 is a wasteful number, since it uses less digits than its factorization.

121003433975664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907618127 (or 2907618101 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 121003433975664 in words is "one hundred twenty-one trillion, three billion, four hundred thirty-three million, nine hundred seventy-five thousand, six hundred sixty-four".