100055560555501 has 4 divisors (see below), whose sum is σ = 100055582122012. Its totient is φ = 100055538988992.

The previous prime is 100055560555493. The next prime is 100055560555553. The reversal of 100055560555501 is 105555065550001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94639840346601 + 5415720208900 = 9728301^2 + 2327170^2 .

It is a cyclic number.

It is not a de Polignac number, because 100055560555501 - 2³ = 100055560555493 is a prime.

It is a super-2 number, since 2×100055560555501² (a number of 29 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 (100055560555001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650046 + ... + 14160991.

It is an arithmetic number, because the mean of its divisors is an integer number (25013895530503).

Almost surely, 2^{100055560555501} is an apocalyptic number.

It is an amenable number.

100055560555501 is a deficient number, since it is larger than the sum of its proper divisors (21566511).

100055560555501 is an equidigital number, since it uses as much as digits as its factorization.

100055560555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566510.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 100055560555501 in words is "one hundred trillion, fifty-five billion, five hundred sixty million, five hundred fifty-five thousand, five hundred one".