1311113322011 has 8 divisors (see below), whose sum is σ = 1314437912400. Its totient is φ = 1307792057760.

The previous prime is 1311113321977. The next prime is 1311113322053. The reversal of 1311113322011 is 1102233111131.

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 1311113322011 - 2³⁸ = 1036235415067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311113327011) 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, 41216 + ... + 1619853.

It is an arithmetic number, because the mean of its divisors is an integer number (164304739050).

Almost surely, 2^{1311113322011} is an apocalyptic number.

1311113322011 is a deficient number, since it is larger than the sum of its proper divisors (3324590389).

1311113322011 is a wasteful number, since it uses less digits than its factorization.

1311113322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663069.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1311113322011 its reverse (1102233111131), we get a palindrome (2413346433142).

The spelling of 1311113322011 in words is "one trillion, three hundred eleven billion, one hundred thirteen million, three hundred twenty-two thousand, eleven".