100555060505553 has 6 divisors (see below), whose sum is σ = 145246198508034. Its totient is φ = 67036707003696.

The previous prime is 100555060505551. The next prime is 100555060505579. The reversal of 100555060505553 is 355505060555001.

It can be written as a sum of positive squares in only one way, i.e., 86779509064704 + 13775551440849 = 9315552^2 + 3711543^2 .

It is not a de Polignac number, because 100555060505553 - 2¹ = 100555060505551 is a prime.

It is a super-2 number, since 2×100555060505553² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100555060505499 and 100555060505508.

It is not an unprimeable number, because it can be changed into a prime (100555060505551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5586392250300 + ... + 5586392250317.

It is an arithmetic number, because the mean of its divisors is an integer number (24207699751339).

Almost surely, 2^{100555060505553} is an apocalyptic number.

It is an amenable number.

100555060505553 is a deficient number, since it is larger than the sum of its proper divisors (44691138002481).

100555060505553 is a wasteful number, since it uses less digits than its factorization.

100555060505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172784500623 (or 11172784500620 counting only the distinct ones).

The product of its (nonzero) digits is 1406250, while the sum is 45.

The spelling of 100555060505553 in words is "one hundred trillion, five hundred fifty-five billion, sixty million, five hundred five thousand, five hundred fifty-three".