100501001105556 has 24 divisors (see below), whose sum is σ = 234502507772064. Its totient is φ = 33500309150560.

The previous prime is 100501001105543. The next prime is 100501001105621. The reversal of 100501001105556 is 655501100105001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22525726 + ... + 26615978.

It is an arithmetic number, because the mean of its divisors is an integer number (9770937823836).

Almost surely, 2^{100501001105556} is an apocalyptic number.

It is an amenable number.

100501001105556 is an abundant number, since it is smaller than the sum of its proper divisors (134001506666508).

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

100501001105556 is a wasteful number, since it uses less digits than its factorization.

100501001105556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137831 (or 6137829 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 100501001105556 in words is "one hundred trillion, five hundred one billion, one million, one hundred five thousand, five hundred fifty-six".