1158541003 has 8 divisors (see below), whose sum is σ = 1201637520. Its totient is φ = 1116064800.

The previous prime is 1158541001. The next prime is 1158541049. The reversal of 1158541003 is 3001458511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1158541003 - 2¹ = 1158541001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158541001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151273 + ... + 158746.

It is an arithmetic number, because the mean of its divisors is an integer number (150204690).

Almost surely, 2^1158541003 is an apocalyptic number.

1158541003 is a deficient number, since it is larger than the sum of its proper divisors (43096517).

1158541003 is a wasteful number, since it uses less digits than its factorization.

1158541003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310157.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1158541003 is about 34037.3471792383. The cubic root of 1158541003 is about 1050.2768742258.

Adding to 1158541003 its reverse (3001458511), we get a palindrome (4159999514).

The spelling of 1158541003 in words is "one billion, one hundred fifty-eight million, five hundred forty-one thousand, three".