1158216803 has 2 divisors, whose sum is σ = 1158216804. Its totient is φ = 1158216802.

The previous prime is 1158216797. The next prime is 1158216811. The reversal of 1158216803 is 3086128511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1158216803 - 2¹⁴ = 1158200419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158216833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579108401 + 579108402.

It is an arithmetic number, because the mean of its divisors is an integer number (579108402).

Almost surely, 2^1158216803 is an apocalyptic number.

1158216803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158216803 is an equidigital number, since it uses as much as digits as its factorization.

1158216803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1158216803 is about 34032.5844302192. The cubic root of 1158216803 is about 1050.1788971069.

The spelling of 1158216803 in words is "one billion, one hundred fifty-eight million, two hundred sixteen thousand, eight hundred three".