1144312211403 has 6 divisors (see below), whose sum is σ = 1652895416484. Its totient is φ = 762874807596.

The previous prime is 1144312211387. The next prime is 1144312211407. The reversal of 1144312211403 is 3041122134411.

It is a happy number.

1144312211403 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 31 + 221 + 1 + 403 = 666.

It is not a de Polignac number, because 1144312211403 - 2⁴ = 1144312211387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144312211407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63572900625 + ... + 63572900642.

It is an arithmetic number, because the mean of its divisors is an integer number (275482569414).

Almost surely, 2^{1144312211403} is an apocalyptic number.

1144312211403 is a deficient number, since it is larger than the sum of its proper divisors (508583205081).

1144312211403 is a wasteful number, since it uses less digits than its factorization.

1144312211403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127145801273 (or 127145801270 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1144312211403 its reverse (3041122134411), we get a palindrome (4185434345814).

The spelling of 1144312211403 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred eleven thousand, four hundred three".