11443401002231 has 8 divisors (see below), whose sum is σ = 12486631768464. Its totient is φ = 10400657166720.

The previous prime is 11443401002227. The next prime is 11443401002249. The reversal of 11443401002231 is 13220010434411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11443401002231 - 2² = 11443401002227 is a prime.

It is a super-2 number, since 2×11443401002231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11443401002231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443401002251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121683536 + ... + 121777541.

It is an arithmetic number, because the mean of its divisors is an integer number (1560828971058).

Almost surely, 2^{11443401002231} is an apocalyptic number.

11443401002231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11443401002231 is a deficient number, since it is larger than the sum of its proper divisors (1043230766233).

11443401002231 is a wasteful number, since it uses less digits than its factorization.

11443401002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243465361.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11443401002231 its reverse (13220010434411), we get a palindrome (24663411436642).

The spelling of 11443401002231 in words is "eleven trillion, four hundred forty-three billion, four hundred one million, two thousand, two hundred thirty-one".