1099997368513 has 2 divisors, whose sum is σ = 1099997368514. Its totient is φ = 1099997368512.

The previous prime is 1099997368501. The next prime is 1099997368523. The reversal of 1099997368513 is 3158637999901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091673908224 + 8323460289 = 1044832^2 + 91233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099997368513 - 2¹³ = 1099997360321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099997368523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549998684256 + 549998684257.

It is an arithmetic number, because the mean of its divisors is an integer number (549998684257).

Almost surely, 2^{1099997368513} is an apocalyptic number.

It is an amenable number.

1099997368513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099997368513 is an equidigital number, since it uses as much as digits as its factorization.

1099997368513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99202320, while the sum is 70.

The spelling of 1099997368513 in words is "one trillion, ninety-nine billion, nine hundred ninety-seven million, three hundred sixty-eight thousand, five hundred thirteen".