1158163055 has 16 divisors (see below), whose sum is σ = 1591118400. Its totient is φ = 792778752.

The previous prime is 1158162991. The next prime is 1158163073. The reversal of 1158163055 is 5503618511.

It is a cyclic number.

It is not a de Polignac number, because 1158163055 - 2⁶ = 1158162991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8480 + ... + 48869.

It is an arithmetic number, because the mean of its divisors is an integer number (99444900).

Almost surely, 2^1158163055 is an apocalyptic number.

1158163055 is a deficient number, since it is larger than the sum of its proper divisors (432955345).

1158163055 is an equidigital number, since it uses as much as digits as its factorization.

1158163055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57938.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 1158163055 is about 34031.7947660713. The cubic root of 1158163055 is about 1050.1626520515.

The spelling of 1158163055 in words is "one billion, one hundred fifty-eight million, one hundred sixty-three thousand, fifty-five".