11110444401 has 32 divisors (see below), whose sum is σ = 17945687808. Its totient is φ = 5968834560.

The previous prime is 11110444381. The next prime is 11110444439. The reversal of 11110444401 is 10444401111.

It is not a de Polignac number, because 11110444401 - 2²¹ = 11108347249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11110444481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319401 + ... + 352473.

It is an arithmetic number, because the mean of its divisors is an integer number (560802744).

Almost surely, 2^11110444401 is an apocalyptic number.

It is an amenable number.

11110444401 is a deficient number, since it is larger than the sum of its proper divisors (6835243407).

11110444401 is a wasteful number, since it uses less digits than its factorization.

11110444401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34041.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11110444401 its reverse (10444401111), we get a palindrome (21554845512).

The spelling of 11110444401 in words is "eleven billion, one hundred ten million, four hundred forty-four thousand, four hundred one".