11404401011 has 6 divisors (see below), whose sum is σ = 11488271340. Its totient is φ = 11321138576.

The previous prime is 11404401007. The next prime is 11404401037. The reversal of 11404401011 is 11010440411.

It is not a de Polignac number, because 11404401011 - 2² = 11404401007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11403401011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285041 + ... + 322578.

It is an arithmetic number, because the mean of its divisors is an integer number (1914711890).

Almost surely, 2^11404401011 is an apocalyptic number.

11404401011 is a deficient number, since it is larger than the sum of its proper divisors (83870329).

11404401011 is an frugal number, since it uses more digits than its factorization.

11404401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607893 (or 607756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11404401011 its reverse (11010440411), we get a palindrome (22414841422).

The spelling of 11404401011 in words is "eleven billion, four hundred four million, four hundred one thousand, eleven".