1188630643159 has 2 divisors, whose sum is σ = 1188630643160. Its totient is φ = 1188630643158.

The previous prime is 1188630643147. The next prime is 1188630643247. The reversal of 1188630643159 is 9513460368811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1188630643159 - 2¹³ = 1188630634967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188630683159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594315321579 + 594315321580.

It is an arithmetic number, because the mean of its divisors is an integer number (594315321580).

Almost surely, 2^{1188630643159} is an apocalyptic number.

1188630643159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188630643159 is an equidigital number, since it uses as much as digits as its factorization.

1188630643159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 1188630643159 in words is "one trillion, one hundred eighty-eight billion, six hundred thirty million, six hundred forty-three thousand, one hundred fifty-nine".