100000555555551 has 24 divisors (see below), whose sum is σ = 156638574819504. Its totient is φ = 56577400588800.

The previous prime is 100000555555531. The next prime is 100000555555619. The reversal of 100000555555551 is 155555555000001.

It is not a de Polignac number, because 100000555555551 - 2⁹ = 100000555555039 is a prime.

It is a super-2 number, since 2×100000555555551² (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 (100000555555501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3367687570 + ... + 3367717263.

It is an arithmetic number, because the mean of its divisors is an integer number (6526607284146).

Almost surely, 2^{100000555555551} is an apocalyptic number.

100000555555551 is a deficient number, since it is larger than the sum of its proper divisors (56638019263953).

100000555555551 is a wasteful number, since it uses less digits than its factorization.

100000555555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735404951 (or 6735404944 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 100000555555551 in words is "one hundred trillion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-one".