100105500550501 has 4 divisors (see below), whose sum is σ = 100109109674412. Its totient is φ = 100101891426592.

The previous prime is 100105500550463. The next prime is 100105500550541. The reversal of 100105500550501 is 105055005501001.

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 76536427220100 + 23569073330401 = 8748510^2 + 4854799^2 .

It is a cyclic number.

It is not a de Polignac number, because 100105500550501 - 2¹³ = 100105500542309 is a prime.

It is a super-2 number, since 2×100105500550501² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100105500550501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105500550541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804520350 + ... + 1804575823.

It is an arithmetic number, because the mean of its divisors is an integer number (25027277418603).

Almost surely, 2^{100105500550501} is an apocalyptic number.

It is an amenable number.

100105500550501 is a deficient number, since it is larger than the sum of its proper divisors (3609123911).

100105500550501 is an equidigital number, since it uses as much as digits as its factorization.

100105500550501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609123910.

The product of its (nonzero) digits is 3125, while the sum is 28.

It can be divided in two parts, 100105500 and 550501, that added together give a palindrome (100656001).

The spelling of 100105500550501 in words is "one hundred trillion, one hundred five billion, five hundred million, five hundred fifty thousand, five hundred one".