1158843103487 has 4 divisors (see below), whose sum is σ = 1159329401760. Its totient is φ = 1158356805216.

The previous prime is 1158843103399. The next prime is 1158843103541. The reversal of 1158843103487 is 7843013488511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1158843103487 - 2³⁰ = 1157769361663 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 (1158843103787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243145562 + ... + 243150327.

It is an arithmetic number, because the mean of its divisors is an integer number (289832350440).

Almost surely, 2^{1158843103487} is an apocalyptic number.

1158843103487 is a deficient number, since it is larger than the sum of its proper divisors (486298273).

1158843103487 is an equidigital number, since it uses as much as digits as its factorization.

1158843103487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486298272.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 1158843103487 in words is "one trillion, one hundred fifty-eight billion, eight hundred forty-three million, one hundred three thousand, four hundred eighty-seven".