1140545421187 has 2 divisors, whose sum is σ = 1140545421188. Its totient is φ = 1140545421186.

The previous prime is 1140545421173. The next prime is 1140545421209. The reversal of 1140545421187 is 7811245450411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140545421187 - 2¹⁵ = 1140545388419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140545421787) 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, 570272710593 + 570272710594.

It is an arithmetic number, because the mean of its divisors is an integer number (570272710594).

Almost surely, 2^{1140545421187} is an apocalyptic number.

1140545421187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140545421187 is an equidigital number, since it uses as much as digits as its factorization.

1140545421187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 1140545421187 in words is "one trillion, one hundred forty billion, five hundred forty-five million, four hundred twenty-one thousand, one hundred eighty-seven".