1227080853456 has 20 divisors (see below), whose sum is σ = 3169958871552. Its totient is φ = 409026951136.

The previous prime is 1227080853403. The next prime is 1227080853457. The reversal of 1227080853456 is 6543580807221.

It is a junction number, because it is equal to n+sod(n) for n = 1227080853399 and 1227080853408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227080853457) 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, 12782092176 + ... + 12782092271.

Almost surely, 2^{1227080853456} is an apocalyptic number.

1227080853456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1227080853456 is an abundant number, since it is smaller than the sum of its proper divisors (1942878018096).

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

1227080853456 is a wasteful number, since it uses less digits than its factorization.

1227080853456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25564184458 (or 25564184452 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 1227080853456 in words is "one trillion, two hundred twenty-seven billion, eighty million, eight hundred fifty-three thousand, four hundred fifty-six".