127543113216 has 400 divisors, whose sum is σ = 400270650384. Its totient is φ = 40382447616.

The previous prime is 127543113209. The next prime is 127543113251. The reversal of 127543113216 is 612311345721.

127543113216 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 431 + 1 + 3 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65980986 + ... + 65982918.

Almost surely, 2^127543113216 is an apocalyptic number.

127543113216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127543113216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200135325192).

127543113216 is an abundant number, since it is smaller than the sum of its proper divisors (272727537168).

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

127543113216 is an equidigital number, since it uses as much as digits as its factorization.

127543113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2018 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

Adding to 127543113216 its reverse (612311345721), we get a palindrome (739854458937).

The spelling of 127543113216 in words is "one hundred twenty-seven billion, five hundred forty-three million, one hundred thirteen thousand, two hundred sixteen".