1311112232015 has 16 divisors (see below), whose sum is σ = 1595723457600. Its totient is φ = 1033968176640.

The previous prime is 1311112231987. The next prime is 1311112232083. The reversal of 1311112232015 is 5102322111131.

It is not a de Polignac number, because 1311112232015 - 2¹⁴ = 1311112215631 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2243561 + ... + 2766909.

It is an arithmetic number, because the mean of its divisors is an integer number (99732716100).

Almost surely, 2^{1311112232015} is an apocalyptic number.

1311112232015 is a deficient number, since it is larger than the sum of its proper divisors (284611225585).

1311112232015 is an equidigital number, since it uses as much as digits as its factorization.

1311112232015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530482.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1311112232015 its reverse (5102322111131), we get a palindrome (6413434343146).

The spelling of 1311112232015 in words is "one trillion, three hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, fifteen".