1111380739812 has 576 divisors, whose sum is σ = 3706859520000. Its totient is φ = 278836411392.

The previous prime is 1111380739783. The next prime is 1111380739873. The reversal of 1111380739812 is 2189370831111.

1111380739812 is a `hidden beast` number, since 1 + 111 + 380 + 73 + 98 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 267220989 + ... + 267225147.

It is an arithmetic number, because the mean of its divisors is an integer number (6435520000).

Almost surely, 2^{1111380739812} is an apocalyptic number.

1111380739812 is a gapful number since it is divisible by the number (12) 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 1111380739812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853429760000).

1111380739812 is an abundant number, since it is smaller than the sum of its proper divisors (2595478780188).

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

1111380739812 is a wasteful number, since it uses less digits than its factorization.

1111380739812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 1111380739812 in words is "one trillion, one hundred eleven billion, three hundred eighty million, seven hundred thirty-nine thousand, eight hundred twelve".