1158536658842 has 64 divisors (see below), whose sum is σ = 1875096760320. Its totient is φ = 534899828736.

The previous prime is 1158536658833. The next prime is 1158536658847. The reversal of 1158536658842 is 2488566358511.

It is not an unprimeable number, because it can be changed into a prime (1158536658847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405506678 + ... + 405509534.

It is an arithmetic number, because the mean of its divisors is an integer number (29298386880).

Almost surely, 2^{1158536658842} is an apocalyptic number.

1158536658842 is a deficient number, since it is larger than the sum of its proper divisors (716560101478).

1158536658842 is a wasteful number, since it uses less digits than its factorization.

1158536658842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its digits is 55296000, while the sum is 62.

The spelling of 1158536658842 in words is "one trillion, one hundred fifty-eight billion, five hundred thirty-six million, six hundred fifty-eight thousand, eight hundred forty-two".