11404407156 has 12 divisors (see below), whose sum is σ = 26610283392. Its totient is φ = 3801469048.

The previous prime is 11404407149. The next prime is 11404407173. The reversal of 11404407156 is 65170440411.

11404407156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475183620 + ... + 475183643.

It is an arithmetic number, because the mean of its divisors is an integer number (2217523616).

Almost surely, 2^11404407156 is an apocalyptic number.

It is an amenable number.

11404407156 is an abundant number, since it is smaller than the sum of its proper divisors (15205876236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11404407156 is a wasteful number, since it uses less digits than its factorization.

11404407156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950367270 (or 950367268 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 11404407156 its reverse (65170440411), we get a palindrome (76574847567).

The spelling of 11404407156 in words is "eleven billion, four hundred four million, four hundred seven thousand, one hundred fifty-six".