100556611161 has 8 divisors (see below), whose sum is σ = 141132085920. Its totient is φ = 63509438592.

The previous prime is 100556611151. The next prime is 100556611261. The reversal of 100556611161 is 161116655001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100556611161 - 2⁷ = 100556611033 is a prime.

It is a super-2 number, since 2×100556611161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100556611151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882075480 + ... + 882075593.

It is an arithmetic number, because the mean of its divisors is an integer number (17641510740).

Almost surely, 2^100556611161 is an apocalyptic number.

It is an amenable number.

100556611161 is a deficient number, since it is larger than the sum of its proper divisors (40575474759).

100556611161 is a wasteful number, since it uses less digits than its factorization.

100556611161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764151095.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 100556611161 in words is "one hundred billion, five hundred fifty-six million, six hundred eleven thousand, one hundred sixty-one".