1195887313513 has 2 divisors, whose sum is σ = 1195887313514. Its totient is φ = 1195887313512.

The previous prime is 1195887313463. The next prime is 1195887313553. The reversal of 1195887313513 is 3153137885911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195060003344 + 827310169 = 1093188^2 + 28763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1195887313513 - 2³³ = 1187297378921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1195887313553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597943656756 + 597943656757.

It is an arithmetic number, because the mean of its divisors is an integer number (597943656757).

Almost surely, 2^{1195887313513} is an apocalyptic number.

It is an amenable number.

1195887313513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195887313513 is an equidigital number, since it uses as much as digits as its factorization.

1195887313513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 55.

The spelling of 1195887313513 in words is "one trillion, one hundred ninety-five billion, eight hundred eighty-seven million, three hundred thirteen thousand, five hundred thirteen".