100873555143244 has 72 divisors (see below), whose sum is σ = 191312063671680. Its totient is φ = 46518151680000.

The previous prime is 100873555143241. The next prime is 100873555143271. The reversal of 100873555143244 is 442341555378001.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 100873555143191 and 100873555143200.

It is not an unprimeable number, because it can be changed into a prime (100873555143241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8732879269 + ... + 8732890819.

It is an arithmetic number, because the mean of its divisors is an integer number (2657111995440).

Almost surely, 2^{100873555143244} is an apocalyptic number.

It is an amenable number.

100873555143244 is a deficient number, since it is larger than the sum of its proper divisors (90438508528436).

100873555143244 is a wasteful number, since it uses less digits than its factorization.

100873555143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21251 (or 21236 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 100873555143244 in words is "one hundred trillion, eight hundred seventy-three billion, five hundred fifty-five million, one hundred forty-three thousand, two hundred forty-four".