1311179712 has 56 divisors (see below), whose sum is σ = 3501639936. Its totient is φ = 432968448.

The previous prime is 1311179711. The next prime is 1311179719. The reversal of 1311179712 is 2179711131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311179711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11368 + ... + 52455.

Almost surely, 2^1311179712 is an apocalyptic number.

1311179712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311179712 is an abundant number, since it is smaller than the sum of its proper divisors (2190460224).

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

1311179712 is a wasteful number, since it uses less digits than its factorization.

1311179712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63945 (or 63935 counting only the distinct ones).

The product of its digits is 2646, while the sum is 33.

The square root of 1311179712 is about 36210.2155751661. The cubic root of 1311179712 is about 1094.5125363056.

The spelling of 1311179712 in words is "one billion, three hundred eleven million, one hundred seventy-nine thousand, seven hundred twelve".