1311112504 has 32 divisors (see below), whose sum is σ = 2738736000. Its totient is φ = 584260992.

The previous prime is 1311112477. The next prime is 1311112507. The reversal of 1311112504 is 4052111131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311112507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214344 + ... + 220375.

It is an arithmetic number, because the mean of its divisors is an integer number (85585500).

Almost surely, 2^1311112504 is an apocalyptic number.

It is an amenable number.

1311112504 is an abundant number, since it is smaller than the sum of its proper divisors (1427623496).

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

1311112504 is a wasteful number, since it uses less digits than its factorization.

1311112504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434767 (or 434763 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1311112504 is about 36209.2875378680. The cubic root of 1311112504 is about 1094.4938352700.

Adding to 1311112504 its reverse (4052111131), we get a palindrome (5363223635).

The spelling of 1311112504 in words is "one billion, three hundred eleven million, one hundred twelve thousand, five hundred four".