11342144401 has 4 divisors (see below), whose sum is σ = 12962450752. Its totient is φ = 9721838052.

The previous prime is 11342144381. The next prime is 11342144413. The reversal of 11342144401 is 10444124311.

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 a de Polignac number, because none of the positive numbers 2^k-11342144401 is a prime.

It is a super-2 number, since 2×11342144401² (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 (11342144501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810153165 + ... + 810153178.

It is an arithmetic number, because the mean of its divisors is an integer number (3240612688).

Almost surely, 2^11342144401 is an apocalyptic number.

It is an amenable number.

11342144401 is a deficient number, since it is larger than the sum of its proper divisors (1620306351).

11342144401 is an equidigital number, since it uses as much as digits as its factorization.

11342144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620306350.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11342144401 its reverse (10444124311), we get a palindrome (21786268712).

The spelling of 11342144401 in words is "eleven billion, three hundred forty-two million, one hundred forty-four thousand, four hundred one".