1159444393188 has 48 divisors (see below), whose sum is σ = 2896695224640. Its totient is φ = 359660207104.

The previous prime is 1159444393183. The next prime is 1159444393207. The reversal of 1159444393188 is 8813934449511.

It is a super-2 number, since 2×1159444393188² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1159444393183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31911906 + ... + 31948217.

It is an arithmetic number, because the mean of its divisors is an integer number (60347817180).

Almost surely, 2^{1159444393188} is an apocalyptic number.

It is an amenable number.

1159444393188 is an abundant number, since it is smaller than the sum of its proper divisors (1737250831452).

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

1159444393188 is a wasteful number, since it uses less digits than its factorization.

1159444393188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63860236 (or 63860234 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 1159444393188 in words is "one trillion, one hundred fifty-nine billion, four hundred forty-four million, three hundred ninety-three thousand, one hundred eighty-eight".