111912458201280 has 672 divisors, whose sum is σ = 421758936308736. Its totient is φ = 27012080640000.

The previous prime is 111912458201263. The next prime is 111912458201309. The reversal of 111912458201280 is 82102854219111.

111912458201280 is a `hidden beast` number, since 1 + 1 + 1 + 91 + 2 + 458 + 20 + 12 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9271177645 + ... + 9271189715.

Almost surely, 2^{111912458201280} is an apocalyptic number.

111912458201280 is a gapful number since it is divisible by the number (10) 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 111912458201280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210879468154368).

111912458201280 is an abundant number, since it is smaller than the sum of its proper divisors (309846478107456).

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

111912458201280 is a wasteful number, since it uses less digits than its factorization.

111912458201280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357 (or 13344 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The spelling of 111912458201280 in words is "one hundred eleven trillion, nine hundred twelve billion, four hundred fifty-eight million, two hundred one thousand, two hundred eighty".