1047775547513 has 2 divisors, whose sum is σ = 1047775547514. Its totient is φ = 1047775547512.

The previous prime is 1047775547453. The next prime is 1047775547521. The reversal of 1047775547513 is 3157455777401.

1047775547513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608832196729 + 438943350784 = 780277^2 + 662528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047775547513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047775547713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523887773756 + 523887773757.

It is an arithmetic number, because the mean of its divisors is an integer number (523887773757).

Almost surely, 2^{1047775547513} is an apocalyptic number.

It is an amenable number.

1047775547513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047775547513 is an equidigital number, since it uses as much as digits as its factorization.

1047775547513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14406000, while the sum is 56.

The spelling of 1047775547513 in words is "one trillion, forty-seven billion, seven hundred seventy-five million, five hundred forty-seven thousand, five hundred thirteen".