1158040011894 has 16 divisors (see below), whose sum is σ = 2350648383168. Its totient is φ = 380251944072.

The previous prime is 1158040011889. The next prime is 1158040011907. The reversal of 1158040011894 is 4981100408511.

It is a super-2 number, since 2×1158040011894² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440347872 + ... + 1440348675.

It is an arithmetic number, because the mean of its divisors is an integer number (146915523948).

Almost surely, 2^{1158040011894} is an apocalyptic number.

1158040011894 is an abundant number, since it is smaller than the sum of its proper divisors (1192608371274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158040011894 is a wasteful number, since it uses less digits than its factorization.

1158040011894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880696619.

The product of its (nonzero) digits is 46080, while the sum is 42.

The spelling of 1158040011894 in words is "one trillion, one hundred fifty-eight billion, forty million, eleven thousand, eight hundred ninety-four".