100555505610556 has 24 divisors (see below), whose sum is σ = 176033748970800. Its totient is φ = 50260150012800.

The previous prime is 100555505610541. The next prime is 100555505610557. The reversal of 100555505610556 is 655016505555001.

It is a super-2 number, since 2×100555505610556² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555505610557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356629920 + ... + 356911768.

It is an arithmetic number, because the mean of its divisors is an integer number (7334739540450).

Almost surely, 2^{100555505610556} is an apocalyptic number.

It is an amenable number.

100555505610556 is a deficient number, since it is larger than the sum of its proper divisors (75478243360244).

100555505610556 is a wasteful number, since it uses less digits than its factorization.

100555505610556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312765 (or 312763 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 100555505610556 in words is "one hundred trillion, five hundred fifty-five billion, five hundred five million, six hundred ten thousand, five hundred fifty-six".