1158017863 has 2 divisors, whose sum is σ = 1158017864. Its totient is φ = 1158017862.

The previous prime is 1158017851. The next prime is 1158017891. The reversal of 1158017863 is 3687108511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3687108511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158017863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158017813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579008931 + 579008932.

It is an arithmetic number, because the mean of its divisors is an integer number (579008932).

Almost surely, 2^1158017863 is an apocalyptic number.

1158017863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158017863 is an equidigital number, since it uses as much as digits as its factorization.

1158017863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1158017863 is about 34029.6615175643. The cubic root of 1158017863 is about 1050.1187660065.

The spelling of 1158017863 in words is "one billion, one hundred fifty-eight million, seventeen thousand, eight hundred sixty-three".