1158009146858 has 16 divisors (see below), whose sum is σ = 1773577334880. Its totient is φ = 566863489296.

The previous prime is 1158009146831. The next prime is 1158009146909. The reversal of 1158009146858 is 8586419008511.

It is a super-2 number, since 2×1158009146858² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11647088 + ... + 11746091.

It is an arithmetic number, because the mean of its divisors is an integer number (110848583430).

Almost surely, 2^{1158009146858} is an apocalyptic number.

1158009146858 is a deficient number, since it is larger than the sum of its proper divisors (615568188022).

1158009146858 is a wasteful number, since it uses less digits than its factorization.

1158009146858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23393701.

The product of its (nonzero) digits is 2764800, while the sum is 56.

The spelling of 1158009146858 in words is "one trillion, one hundred fifty-eight billion, nine million, one hundred forty-six thousand, eight hundred fifty-eight".