1158873790959 has 40 divisors (see below), whose sum is σ = 1853585506080. Its totient is φ = 718966347264.

The previous prime is 1158873790927. The next prime is 1158873790967. The reversal of 1158873790959 is 9590973788511.

1158873790959 is a `hidden beast` number, since 1 + 1 + 588 + 7 + 37 + 9 + 0 + 9 + 5 + 9 = 666.

It is not a de Polignac number, because 1158873790959 - 2⁵ = 1158873790927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158873790969) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4605499 + ... + 4850604.

It is an arithmetic number, because the mean of its divisors is an integer number (46339637652).

Almost surely, 2^{1158873790959} is an apocalyptic number.

1158873790959 is a deficient number, since it is larger than the sum of its proper divisors (694711715121).

1158873790959 is an equidigital number, since it uses as much as digits as its factorization.

1158873790959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456221 (or 9456212 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 72.

The spelling of 1158873790959 in words is "one trillion, one hundred fifty-eight billion, eight hundred seventy-three million, seven hundred ninety thousand, nine hundred fifty-nine".