1311015603847 has 2 divisors, whose sum is σ = 1311015603848. Its totient is φ = 1311015603846.

The previous prime is 1311015603823. The next prime is 1311015603889. The reversal of 1311015603847 is 7483065101131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311015603847 - 2¹⁵ = 1311015571079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311015603647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655507801923 + 655507801924.

It is an arithmetic number, because the mean of its divisors is an integer number (655507801924).

Almost surely, 2^{1311015603847} is an apocalyptic number.

1311015603847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311015603847 is an equidigital number, since it uses as much as digits as its factorization.

1311015603847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 1311015603847 in words is "one trillion, three hundred eleven billion, fifteen million, six hundred three thousand, eight hundred forty-seven".