1158275803 has 2 divisors, whose sum is σ = 1158275804. Its totient is φ = 1158275802.

The previous prime is 1158275731. The next prime is 1158275809. The reversal of 1158275803 is 3085728511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1158275803 - 2¹³ = 1158267611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158275809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579137901 + 579137902.

It is an arithmetic number, because the mean of its divisors is an integer number (579137902).

Almost surely, 2^1158275803 is an apocalyptic number.

1158275803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158275803 is an equidigital number, since it uses as much as digits as its factorization.

1158275803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1158275803 is about 34033.4512355124. The cubic root of 1158275803 is about 1050.1967289736.

The spelling of 1158275803 in words is "one billion, one hundred fifty-eight million, two hundred seventy-five thousand, eight hundred three".