1144313041421 has 16 divisors (see below), whose sum is σ = 1278843854400. Its totient is φ = 1014868137600.

The previous prime is 1144313041411. The next prime is 1144313041441. The reversal of 1144313041421 is 1241403134411.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144313041421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144313041411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15110870 + ... + 15186408.

It is an arithmetic number, because the mean of its divisors is an integer number (79927740900).

Almost surely, 2^{1144313041421} is an apocalyptic number.

1144313041421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144313041421 is a deficient number, since it is larger than the sum of its proper divisors (134530812979).

1144313041421 is a wasteful number, since it uses less digits than its factorization.

1144313041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109180.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1144313041421 its reverse (1241403134411), we get a palindrome (2385716175832).

The spelling of 1144313041421 in words is "one trillion, one hundred forty-four billion, three hundred thirteen million, forty-one thousand, four hundred twenty-one".