1144323140251 has 2 divisors, whose sum is σ = 1144323140252. Its totient is φ = 1144323140250.

The previous prime is 1144323140227. The next prime is 1144323140263. The reversal of 1144323140251 is 1520413234411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144323140251 - 2³¹ = 1142175656603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144323140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572161570125 + 572161570126.

It is an arithmetic number, because the mean of its divisors is an integer number (572161570126).

Almost surely, 2^{1144323140251} is an apocalyptic number.

1144323140251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144323140251 is an equidigital number, since it uses as much as digits as its factorization.

1144323140251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1144323140251 its reverse (1520413234411), we get a palindrome (2664736374662).

The spelling of 1144323140251 in words is "one trillion, one hundred forty-four billion, three hundred twenty-three million, one hundred forty thousand, two hundred fifty-one".