1159381610994 has 16 divisors (see below), whose sum is σ = 2318916588768. Its totient is φ = 386434975872.

The previous prime is 1159381610987. The next prime is 1159381610999. The reversal of 1159381610994 is 4990161839511.

It is a happy number.

It is a super-2 number, since 2×1159381610994² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1159381610999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6291892 + ... + 6473535.

It is an arithmetic number, because the mean of its divisors is an integer number (144932286798).

Almost surely, 2^{1159381610994} is an apocalyptic number.

1159381610994 is an abundant number, since it is smaller than the sum of its proper divisors (1159534977774).

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

1159381610994 is a wasteful number, since it uses less digits than its factorization.

1159381610994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780569.

The product of its (nonzero) digits is 2099520, while the sum is 57.

The spelling of 1159381610994 in words is "one trillion, one hundred fifty-nine billion, three hundred eighty-one million, six hundred ten thousand, nine hundred ninety-four".