1144020000997 has 2 divisors, whose sum is σ = 1144020000998. Its totient is φ = 1144020000996.

The previous prime is 1144020000971. The next prime is 1144020001021. The reversal of 1144020000997 is 7990000204411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846696265921 + 297323735076 = 920161^2 + 545274^2 .

It is an emirp because it is prime and its reverse (7990000204411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144020000997 - 2¹⁹ = 1144019476709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144020000967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572010000498 + 572010000499.

It is an arithmetic number, because the mean of its divisors is an integer number (572010000499).

Almost surely, 2^{1144020000997} is an apocalyptic number.

It is an amenable number.

1144020000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144020000997 is an equidigital number, since it uses as much as digits as its factorization.

1144020000997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 1144020000997 in words is "one trillion, one hundred forty-four billion, twenty million, nine hundred ninety-seven", and thus it is an aban number.