11431422401 has 4 divisors (see below), whose sum is σ = 13064482752. Its totient is φ = 9798362052.

The previous prime is 11431422397. The next prime is 11431422407. The reversal of 11431422401 is 10422413411.

11431422401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11431422401 - 2² = 11431422397 is a prime.

It is a super-2 number, since 2×11431422401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431422407) by changing a digit.

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, 816530165 + ... + 816530178.

It is an arithmetic number, because the mean of its divisors is an integer number (3266120688).

Almost surely, 2^11431422401 is an apocalyptic number.

It is an amenable number.

11431422401 is a deficient number, since it is larger than the sum of its proper divisors (1633060351).

11431422401 is an equidigital number, since it uses as much as digits as its factorization.

11431422401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633060350.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11431422401 its reverse (10422413411), we get a palindrome (21853835812).

The spelling of 11431422401 in words is "eleven billion, four hundred thirty-one million, four hundred twenty-two thousand, four hundred one".