115643475236680 has 16 divisors (see below), whose sum is σ = 260197819282620. Its totient is φ = 46257390094656.

The previous prime is 115643475236617. The next prime is 115643475236759. The reversal of 115643475236680 is 86632574346511.

It can be written as a sum of positive squares in 2 ways, for example, as 109995333233956 + 5648142002724 = 10487866^2 + 2376582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445543440419 + ... + 1445543440498.

Almost surely, 2^{115643475236680} is an apocalyptic number.

115643475236680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115643475236680 is an abundant number, since it is smaller than the sum of its proper divisors (144554344045940).

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

115643475236680 is a wasteful number, since it uses less digits than its factorization.

115643475236680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891086880928 (or 2891086880924 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 115643475236680 in words is "one hundred fifteen trillion, six hundred forty-three billion, four hundred seventy-five million, two hundred thirty-six thousand, six hundred eighty".