100555601100056 has 32 divisors (see below), whose sum is σ = 191125467660000. Its totient is φ = 49588816584960.

The previous prime is 100555601100049. The next prime is 100555601100079. The reversal of 100555601100056 is 650001106555001.

It is a super-2 number, since 2×100555601100056² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100555601099989 and 100555601100025.

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, 187073570 + ... + 187610318.

It is an arithmetic number, because the mean of its divisors is an integer number (5972670864375).

Almost surely, 2^{100555601100056} is an apocalyptic number.

It is an amenable number.

100555601100056 is a deficient number, since it is larger than the sum of its proper divisors (90569866559944).

100555601100056 is a wasteful number, since it uses less digits than its factorization.

100555601100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857619 (or 857615 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

Adding to 100555601100056 its reverse (650001106555001), we get a palindrome (750556707655057).

The spelling of 100555601100056 in words is "one hundred trillion, five hundred fifty-five billion, six hundred one million, one hundred thousand, fifty-six".