1111004401 has 4 divisors (see below), whose sum is σ = 1196466292. Its totient is φ = 1025542512.

The previous prime is 1111004399. The next prime is 1111004431. The reversal of 1111004401 is 1044001111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86044176 + 1024960225 = 9276^2 + 32015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111004401 - 2¹ = 1111004399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 85461877 = 1111004401 / (1 + 1 + 1 + 1 + 0 + 0 + 4 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111004431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42730926 + ... + 42730951.

It is an arithmetic number, because the mean of its divisors is an integer number (299116573).

Almost surely, 2^1111004401 is an apocalyptic number.

It is an amenable number.

1111004401 is a deficient number, since it is larger than the sum of its proper divisors (85461891).

1111004401 is an equidigital number, since it uses as much as digits as its factorization.

1111004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85461890.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1111004401 is about 33331.7326432335. The cubic root of 1111004401 is about 1035.7110102772.

Adding to 1111004401 its reverse (1044001111), we get a palindrome (2155005512).

The spelling of 1111004401 in words is "one billion, one hundred eleven million, four thousand, four hundred one".