11400400001 has 4 divisors (see below), whose sum is σ = 11405928192. Its totient is φ = 11394871812.

The previous prime is 11400399953. The next prime is 11400400013. The reversal of 11400400001 is 10000400411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11400400001 - 2¹⁸ = 11400137857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400400061) 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, 2761001 + ... + 2765126.

It is an arithmetic number, because the mean of its divisors is an integer number (2851482048).

Almost surely, 2^11400400001 is an apocalyptic number.

It is an amenable number.

11400400001 is a deficient number, since it is larger than the sum of its proper divisors (5528191).

11400400001 is an equidigital number, since it uses as much as digits as its factorization.

11400400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528190.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11400400001 its reverse (10000400411), we get a palindrome (21400800412).

The spelling of 11400400001 in words is "eleven billion, four hundred million, four hundred thousand, one".