11780830218256 has 20 divisors (see below), whose sum is σ = 24900391143504. Its totient is φ = 5354922826400.

The previous prime is 11780830218191. The next prime is 11780830218379. The reversal of 11780830218256 is 65281203808711.

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, 33468267490 + ... + 33468267841.

Almost surely, 2^{11780830218256} is an apocalyptic number.

11780830218256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11780830218256 is an abundant number, since it is smaller than the sum of its proper divisors (13119560925248).

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

11780830218256 is a wasteful number, since it uses less digits than its factorization.

11780830218256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66936535350 (or 66936535344 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 11780830218256 in words is "eleven trillion, seven hundred eighty billion, eight hundred thirty million, two hundred eighteen thousand, two hundred fifty-six".