1158761318 has 16 divisors (see below), whose sum is σ = 2042013456. Its totient is φ = 486193440.

The previous prime is 1158761309. The next prime is 1158761363. The reversal of 1158761318 is 8131678511.

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 7 ways as a sum of consecutive naturals, for example, 2025521 + ... + 2026092.

It is an arithmetic number, because the mean of its divisors is an integer number (127625841).

Almost surely, 2^1158761318 is an apocalyptic number.

1158761318 is a deficient number, since it is larger than the sum of its proper divisors (883252138).

1158761318 is a wasteful number, since it uses less digits than its factorization.

1158761318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051639.

The product of its digits is 40320, while the sum is 41.

The square root of 1158761318 is about 34040.5833968808. The cubic root of 1158761318 is about 1050.3434456241.

The spelling of 1158761318 in words is "one billion, one hundred fifty-eight million, seven hundred sixty-one thousand, three hundred eighteen".