1328451156787 has 2 divisors, whose sum is σ = 1328451156788. Its totient is φ = 1328451156786.

The previous prime is 1328451156779. The next prime is 1328451156941. The reversal of 1328451156787 is 7876511548231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1328451156787 - 2³ = 1328451156779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328451156737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664225578393 + 664225578394.

It is an arithmetic number, because the mean of its divisors is an integer number (664225578394).

Almost surely, 2^{1328451156787} is an apocalyptic number.

1328451156787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328451156787 is an equidigital number, since it uses as much as digits as its factorization.

1328451156787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 58.

The spelling of 1328451156787 in words is "one trillion, three hundred twenty-eight billion, four hundred fifty-one million, one hundred fifty-six thousand, seven hundred eighty-seven".