1138908612011 has 8 divisors (see below), whose sum is σ = 1193095012800. Its totient is φ = 1085716457280.

The previous prime is 1138908612001. The next prime is 1138908612041. The reversal of 1138908612011 is 1102168098311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1138908612011 - 2¹⁸ = 1138908349867 is a prime.

It is a super-3 number, since 3×1138908612011³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138908612011.

It is not an unprimeable number, because it can be changed into a prime (1138908612001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 248559170 + ... + 248563751.

It is an arithmetic number, because the mean of its divisors is an integer number (149136876600).

Almost surely, 2^{1138908612011} is an apocalyptic number.

1138908612011 is a deficient number, since it is larger than the sum of its proper divisors (54186400789).

1138908612011 is an equidigital number, since it uses as much as digits as its factorization.

1138908612011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497123029.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 1138908612011 in words is "one trillion, one hundred thirty-eight billion, nine hundred eight million, six hundred twelve thousand, eleven".