100105555061 has 4 divisors (see below), whose sum is σ = 100132048800. Its totient is φ = 100079061324.

The previous prime is 100105555049. The next prime is 100105555063. The reversal of 100105555061 is 160555501001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100105555061 is a prime.

It is a super-2 number, since 2×100105555061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105555063) 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 3 ways as a sum of consecutive naturals, for example, 13241201 + ... + 13248758.

It is an arithmetic number, because the mean of its divisors is an integer number (25033012200).

Almost surely, 2^100105555061 is an apocalyptic number.

It is an amenable number.

100105555061 is a deficient number, since it is larger than the sum of its proper divisors (26493739).

100105555061 is an equidigital number, since it uses as much as digits as its factorization.

100105555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26493738.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 100105555061 in words is "one hundred billion, one hundred five million, five hundred fifty-five thousand, sixty-one".