1156344231688 has 16 divisors (see below), whose sum is σ = 2174287494780. Its totient is φ = 576534233088.

The previous prime is 1156344231683. The next prime is 1156344231701. The reversal of 1156344231688 is 8861324436511.

It can be written as a sum of positive squares in 2 ways, for example, as 1071510679044 + 84833552644 = 1035138^2 + 291262^2 .

It is a super-2 number, since 2×1156344231688² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1156344231683) 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, 204732345 + ... + 204737992.

Almost surely, 2^{1156344231688} is an apocalyptic number.

It is an amenable number.

1156344231688 is a deficient number, since it is larger than the sum of its proper divisors (1017943263092).

1156344231688 is a wasteful number, since it uses less digits than its factorization.

1156344231688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409470696 (or 409470692 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 1156344231688 in words is "one trillion, one hundred fifty-six billion, three hundred forty-four million, two hundred thirty-one thousand, six hundred eighty-eight".