1138680434412 has 72 divisors (see below), whose sum is σ = 2956510161696. Its totient is φ = 369253499904.

The previous prime is 1138680434383. The next prime is 1138680434429. The reversal of 1138680434412 is 2144340868311.

1138680434412 is a `hidden beast` number, since 1 + 13 + 86 + 80 + 43 + 441 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10954588 + ... + 11058044.

Almost surely, 2^{1138680434412} is an apocalyptic number.

1138680434412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1138680434412 is an abundant number, since it is smaller than the sum of its proper divisors (1817829727284).

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

1138680434412 is a wasteful number, since it uses less digits than its factorization.

1138680434412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111767 (or 111762 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 1138680434412 in words is "one trillion, one hundred thirty-eight billion, six hundred eighty million, four hundred thirty-four thousand, four hundred twelve".