1343111511015 has 48 divisors (see below), whose sum is σ = 2411471462400. Its totient is φ = 690725339136.

The previous prime is 1343111511011. The next prime is 1343111511029. The reversal of 1343111511015 is 5101151113431.

It is a happy number.

1343111511015 is a `hidden beast` number, since 1 + 3 + 431 + 115 + 110 + 1 + 5 = 666.

It is not a de Polignac number, because 1343111511015 - 2² = 1343111511011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1343111511015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343111511011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334362 + ... + 1672728.

It is an arithmetic number, because the mean of its divisors is an integer number (50238988800).

Almost surely, 2^{1343111511015} is an apocalyptic number.

1343111511015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1343111511015 is a deficient number, since it is larger than the sum of its proper divisors (1068359951385).

1343111511015 is a wasteful number, since it uses less digits than its factorization.

1343111511015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339176 (or 1339173 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 1343111511015 its reverse (5101151113431), we get a palindrome (6444262624446).

The spelling of 1343111511015 in words is "one trillion, three hundred forty-three billion, one hundred eleven million, five hundred eleven thousand, fifteen".