1158499473271 has 16 divisors (see below), whose sum is σ = 1369741919040. Its totient is φ = 958697026560.

The previous prime is 1158499473217. The next prime is 1158499473301. The reversal of 1158499473271 is 1723749948511.

It is a happy number.

It is not a de Polignac number, because 1158499473271 - 2²⁹ = 1157962602359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158499473071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3158841 + ... + 3506461.

It is an arithmetic number, because the mean of its divisors is an integer number (85608869940).

Almost surely, 2^{1158499473271} is an apocalyptic number.

1158499473271 is a deficient number, since it is larger than the sum of its proper divisors (211242445769).

1158499473271 is a wasteful number, since it uses less digits than its factorization.

1158499473271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364074.

The product of its digits is 15240960, while the sum is 61.

The spelling of 1158499473271 in words is "one trillion, one hundred fifty-eight billion, four hundred ninety-nine million, four hundred seventy-three thousand, two hundred seventy-one".