1315571352077 has 2 divisors, whose sum is σ = 1315571352078. Its totient is φ = 1315571352076.

The previous prime is 1315571352061. The next prime is 1315571352113. The reversal of 1315571352077 is 7702531755131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660206625961 + 655364726116 = 812531^2 + 809546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315571352077 - 2⁴ = 1315571352061 is a prime.

It is a super-3 number, since 3×1315571352077³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315571352047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657785676038 + 657785676039.

It is an arithmetic number, because the mean of its divisors is an integer number (657785676039).

Almost surely, 2^{1315571352077} is an apocalyptic number.

It is an amenable number.

1315571352077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315571352077 is an equidigital number, since it uses as much as digits as its factorization.

1315571352077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 771750, while the sum is 47.

The spelling of 1315571352077 in words is "one trillion, three hundred fifteen billion, five hundred seventy-one million, three hundred fifty-two thousand, seventy-seven".