100201444555 has 8 divisors (see below), whose sum is σ = 120399742944. Its totient is φ = 80055816000.

The previous prime is 100201444547. The next prime is 100201444597. The reversal of 100201444555 is 555444102001.

It is a happy number.

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

It is not a de Polignac number, because 100201444555 - 2³ = 100201444547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13163271 + ... + 13170880.

It is an arithmetic number, because the mean of its divisors is an integer number (15049967868).

Almost surely, 2^100201444555 is an apocalyptic number.

100201444555 is a deficient number, since it is larger than the sum of its proper divisors (20198298389).

100201444555 is an equidigital number, since it uses as much as digits as its factorization.

100201444555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26334917.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 100201444555 its reverse (555444102001), we get a palindrome (655645546556).

The spelling of 100201444555 in words is "one hundred billion, two hundred one million, four hundred forty-four thousand, five hundred fifty-five".