11312011113 has 12 divisors (see below), whose sum is σ = 16332135120. Its totient is φ = 6961237296.

The previous prime is 11312011111. The next prime is 11312011127. The reversal of 11312011113 is 31111021311.

It is not a de Polignac number, because 11312011113 - 2¹ = 11312011111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11312011092 and 11312011101.

It is not an unprimeable number, because it can be changed into a prime (11312011111) 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 11 ways as a sum of consecutive naturals, for example, 11155323 + ... + 11156336.

It is an arithmetic number, because the mean of its divisors is an integer number (1361011260).

Almost surely, 2^11312011113 is an apocalyptic number.

11312011113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11312011113 is a deficient number, since it is larger than the sum of its proper divisors (5020124007).

11312011113 is a wasteful number, since it uses less digits than its factorization.

11312011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311688 (or 22311675 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11312011113 its reverse (31111021311), we get a palindrome (42423032424).

The spelling of 11312011113 in words is "eleven billion, three hundred twelve million, eleven thousand, one hundred thirteen".