1158043903 has 2 divisors, whose sum is σ = 1158043904. Its totient is φ = 1158043902.

The previous prime is 1158043877. The next prime is 1158043963. The reversal of 1158043903 is 3093408511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1158043903 - 2²⁹ = 621172991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158043963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579021951 + 579021952.

It is an arithmetic number, because the mean of its divisors is an integer number (579021952).

Almost surely, 2^1158043903 is an apocalyptic number.

1158043903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158043903 is an equidigital number, since it uses as much as digits as its factorization.

1158043903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1158043903 is about 34030.0441228042. The cubic root of 1158043903 is about 1050.1266371826.

The spelling of 1158043903 in words is "one billion, one hundred fifty-eight million, forty-three thousand, nine hundred three".