1158271805883 has 4 divisors (see below), whose sum is σ = 1544362407848. Its totient is φ = 772181203920.

The previous prime is 1158271805827. The next prime is 1158271805927. The reversal of 1158271805883 is 3885081728511.

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

It is not a de Polignac number, because 1158271805883 - 2⁶ = 1158271805819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158271805783) 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, 193045300978 + ... + 193045300983.

It is an arithmetic number, because the mean of its divisors is an integer number (386090601962).

Almost surely, 2^{1158271805883} is an apocalyptic number.

1158271805883 is a deficient number, since it is larger than the sum of its proper divisors (386090601965).

1158271805883 is an equidigital number, since it uses as much as digits as its factorization.

1158271805883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386090601964.

The product of its (nonzero) digits is 4300800, while the sum is 57.

The spelling of 1158271805883 in words is "one trillion, one hundred fifty-eight billion, two hundred seventy-one million, eight hundred five thousand, eight hundred eighty-three".