1311113415 has 8 divisors (see below), whose sum is σ = 2097781488. Its totient is φ = 699260480.

The previous prime is 1311113393. The next prime is 1311113429. The reversal of 1311113415 is 5143111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311113415 - 2⁵ = 1311113383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311113391 and 1311113400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43703766 + ... + 43703795.

It is an arithmetic number, because the mean of its divisors is an integer number (262222686).

Almost surely, 2^1311113415 is an apocalyptic number.

1311113415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311113415 is a deficient number, since it is larger than the sum of its proper divisors (786668073).

1311113415 is an equidigital number, since it uses as much as digits as its factorization.

1311113415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87407569.

The product of its digits is 180, while the sum is 21.

The square root of 1311113415 is about 36209.3001175112. The cubic root of 1311113415 is about 1094.4940887655.

Adding to 1311113415 its reverse (5143111131), we get a palindrome (6454224546).

The spelling of 1311113415 in words is "one billion, three hundred eleven million, one hundred thirteen thousand, four hundred fifteen".