100844255401 has 4 divisors (see below), whose sum is σ = 101512098304. Its totient is φ = 100176412500.

The previous prime is 100844255381. The next prime is 100844255437. The reversal of 100844255401 is 104552448001.

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 not a de Polignac number, because 100844255401 - 2²³ = 100835866793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100844255441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333921225 + ... + 333921526.

It is an arithmetic number, because the mean of its divisors is an integer number (25378024576).

Almost surely, 2^100844255401 is an apocalyptic number.

It is an amenable number.

100844255401 is a deficient number, since it is larger than the sum of its proper divisors (667842903).

100844255401 is an equidigital number, since it uses as much as digits as its factorization.

100844255401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667842902.

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 100844255401 in words is "one hundred billion, eight hundred forty-four million, two hundred fifty-five thousand, four hundred one".