1144276481587 has 2 divisors, whose sum is σ = 1144276481588. Its totient is φ = 1144276481586.

The previous prime is 1144276481507. The next prime is 1144276481617. The reversal of 1144276481587 is 7851846724411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144276481587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144276481507) 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 as a sum of consecutive naturals, namely, 572138240793 + 572138240794.

It is an arithmetic number, because the mean of its divisors is an integer number (572138240794).

Almost surely, 2^{1144276481587} is an apocalyptic number.

1144276481587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144276481587 is an equidigital number, since it uses as much as digits as its factorization.

1144276481587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12042240, while the sum is 58.

The spelling of 1144276481587 in words is "one trillion, one hundred forty-four billion, two hundred seventy-six million, four hundred eighty-one thousand, five hundred eighty-seven".