100411944991 has 4 divisors (see below), whose sum is σ = 100992361032. Its totient is φ = 99831528952.

The previous prime is 100411944943. The next prime is 100411945097. The reversal of 100411944991 is 199449114001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100411944991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100411944901) 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, 290207761 + ... + 290208106.

It is an arithmetic number, because the mean of its divisors is an integer number (25248090258).

Almost surely, 2^100411944991 is an apocalyptic number.

100411944991 is a deficient number, since it is larger than the sum of its proper divisors (580416041).

100411944991 is an equidigital number, since it uses as much as digits as its factorization.

100411944991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580416040.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 100411944991 in words is "one hundred billion, four hundred eleven million, nine hundred forty-four thousand, nine hundred ninety-one".