100551105550556 has 12 divisors (see below), whose sum is σ = 176732838360120. Its totient is φ = 50056008876240.

The previous prime is 100551105550451. The next prime is 100551105550591. The reversal of 100551105550556 is 655055501155001.

It is a super-2 number, since 2×100551105550556² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54885973730 + ... + 54885975561.

It is an arithmetic number, because the mean of its divisors is an integer number (14727736530010).

Almost surely, 2^{100551105550556} is an apocalyptic number.

It is an amenable number.

100551105550556 is a deficient number, since it is larger than the sum of its proper divisors (76181732809564).

100551105550556 is a wasteful number, since it uses less digits than its factorization.

100551105550556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109771949524 (or 109771949522 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 100551105550556 in words is "one hundred trillion, five hundred fifty-one billion, one hundred five million, five hundred fifty thousand, five hundred fifty-six".