1311748455 has 8 divisors (see below), whose sum is σ = 2098797552. Its totient is φ = 699599168.

The previous prime is 1311748423. The next prime is 1311748549. The reversal of 1311748455 is 5548471131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311748455 - 2⁵ = 1311748423 is a prime.

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, 43724934 + ... + 43724963.

It is an arithmetic number, because the mean of its divisors is an integer number (262349694).

Almost surely, 2^1311748455 is an apocalyptic number.

1311748455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311748455 is a deficient number, since it is larger than the sum of its proper divisors (787049097).

1311748455 is an equidigital number, since it uses as much as digits as its factorization.

1311748455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87449905.

The product of its digits is 67200, while the sum is 39.

The square root of 1311748455 is about 36218.0680738219. The cubic root of 1311748455 is about 1094.6707669315.

The spelling of 1311748455 in words is "one billion, three hundred eleven million, seven hundred forty-eight thousand, four hundred fifty-five".