1311472455 has 8 divisors (see below), whose sum is σ = 2098355952. Its totient is φ = 699451968.

The previous prime is 1311472451. The next prime is 1311472457. The reversal of 1311472455 is 5542741131.

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

It is not a de Polignac number, because 1311472455 - 2² = 1311472451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311472451) 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, 43715734 + ... + 43715763.

It is an arithmetic number, because the mean of its divisors is an integer number (262294494).

Almost surely, 2^1311472455 is an apocalyptic number.

1311472455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311472455 is a deficient number, since it is larger than the sum of its proper divisors (786883497).

1311472455 is an equidigital number, since it uses as much as digits as its factorization.

1311472455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87431505.

The product of its digits is 16800, while the sum is 33.

The square root of 1311472455 is about 36214.2576204456. The cubic root of 1311472455 is about 1094.5939863762.

The spelling of 1311472455 in words is "one billion, three hundred eleven million, four hundred seventy-two thousand, four hundred fifty-five".