1263504528047 has 2 divisors, whose sum is σ = 1263504528048. Its totient is φ = 1263504528046.

The previous prime is 1263504527953. The next prime is 1263504528067. The reversal of 1263504528047 is 7408254053621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1263504528047 - 2¹⁰ = 1263504527023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1263504527992 and 1263504528010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263504528067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631752264023 + 631752264024.

It is an arithmetic number, because the mean of its divisors is an integer number (631752264024).

Almost surely, 2^{1263504528047} is an apocalyptic number.

1263504528047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263504528047 is an equidigital number, since it uses as much as digits as its factorization.

1263504528047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 1263504528047 in words is "one trillion, two hundred sixty-three billion, five hundred four million, five hundred twenty-eight thousand, forty-seven".