11042404401 has 16 divisors (see below), whose sum is σ = 17712128000. Its totient is φ = 5977842768.

The previous prime is 11042404367. The next prime is 11042404427. The reversal of 11042404401 is 10440424011.

It is not a de Polignac number, because 11042404401 - 2⁶ = 11042404337 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11042404481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13837201 + ... + 13837998.

It is an arithmetic number, because the mean of its divisors is an integer number (1107008000).

Almost surely, 2^11042404401 is an apocalyptic number.

It is an amenable number.

11042404401 is a deficient number, since it is larger than the sum of its proper divisors (6669723599).

11042404401 is a wasteful number, since it uses less digits than its factorization.

11042404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675228.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11042404401 its reverse (10440424011), we get a palindrome (21482828412).

The spelling of 11042404401 in words is "eleven billion, forty-two million, four hundred four thousand, four hundred one".