1144123113313 has 4 divisors (see below), whose sum is σ = 1150444235668. Its totient is φ = 1137801990960.

The previous prime is 1144123113311. The next prime is 1144123113323. The reversal of 1144123113313 is 3133113214411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6035269969 + 1138087843344 = 77687^2 + 1066812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144123113313 - 2¹ = 1144123113311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144123113311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3160560906 + ... + 3160561267.

It is an arithmetic number, because the mean of its divisors is an integer number (287611058917).

Almost surely, 2^{1144123113313} is an apocalyptic number.

It is an amenable number.

1144123113313 is a deficient number, since it is larger than the sum of its proper divisors (6321122355).

1144123113313 is an equidigital number, since it uses as much as digits as its factorization.

1144123113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321122354.

The product of its digits is 2592, while the sum is 28.

Adding to 1144123113313 its reverse (3133113214411), we get a palindrome (4277236327724).

The spelling of 1144123113313 in words is "one trillion, one hundred forty-four billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred thirteen".