1158081208523 has 8 divisors (see below), whose sum is σ = 1161091861776. Its totient is φ = 1155072714400.

The previous prime is 1158081208489. The next prime is 1158081208597. The reversal of 1158081208523 is 3258021808511.

It is a happy number.

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 1158081208523 - 2²⁸ = 1157812773067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158081207523) 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, 537128 + ... + 1613898.

It is an arithmetic number, because the mean of its divisors is an integer number (145136482722).

Almost surely, 2^{1158081208523} is an apocalyptic number.

1158081208523 is a deficient number, since it is larger than the sum of its proper divisors (3010653253).

1158081208523 is a wasteful number, since it uses less digits than its factorization.

1158081208523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079565.

The product of its (nonzero) digits is 153600, while the sum is 44.

The spelling of 1158081208523 in words is "one trillion, one hundred fifty-eight billion, eighty-one million, two hundred eight thousand, five hundred twenty-three".