1158125018 has 16 divisors (see below), whose sum is σ = 1749416064. Its totient is φ = 575000640.

The previous prime is 1158125009. The next prime is 1158125027. The reversal of 1158125018 is 8105218511.

It is an interprime number because it is at equal distance from previous prime (1158125009) and next prime (1158125027).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173621 + ... + 180167.

It is an arithmetic number, because the mean of its divisors is an integer number (109338504).

Almost surely, 2^1158125018 is an apocalyptic number.

1158125018 is a deficient number, since it is larger than the sum of its proper divisors (591291046).

1158125018 is a wasteful number, since it uses less digits than its factorization.

1158125018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 3200, while the sum is 32.

The square root of 1158125018 is about 34031.2359164342. The cubic root of 1158125018 is about 1050.1511552610.

The spelling of 1158125018 in words is "one billion, one hundred fifty-eight million, one hundred twenty-five thousand, eighteen".