100444355501 has 4 divisors (see below), whose sum is σ = 114793549152. Its totient is φ = 86095161852.

The previous prime is 100444355497. The next prime is 100444355527. The reversal of 100444355501 is 105553444001.

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 not a de Polignac number, because 100444355501 - 2² = 100444355497 is a prime.

It is a super-2 number, since 2×100444355501² (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 (100444355591) 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, 7174596815 + ... + 7174596828.

It is an arithmetic number, because the mean of its divisors is an integer number (28698387288).

Almost surely, 2^100444355501 is an apocalyptic number.

It is an amenable number.

100444355501 is a deficient number, since it is larger than the sum of its proper divisors (14349193651).

100444355501 is an equidigital number, since it uses as much as digits as its factorization.

100444355501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349193650.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 100444355501 its reverse (105553444001), we get a palindrome (205997799502).

The spelling of 100444355501 in words is "one hundred billion, four hundred forty-four million, three hundred fifty-five thousand, five hundred one".