1203440110513 has 2 divisors, whose sum is σ = 1203440110514. Its totient is φ = 1203440110512.

The previous prime is 1203440110501. The next prime is 1203440110517. The reversal of 1203440110513 is 3150110443021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1176112053169 + 27328057344 = 1084487^2 + 165312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203440110513 - 2⁹ = 1203440110001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203440110517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601720055256 + 601720055257.

It is an arithmetic number, because the mean of its divisors is an integer number (601720055257).

Almost surely, 2^{1203440110513} is an apocalyptic number.

It is an amenable number.

1203440110513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203440110513 is an equidigital number, since it uses as much as digits as its factorization.

1203440110513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1203440110513 its reverse (3150110443021), we get a palindrome (4353550553534).

The spelling of 1203440110513 in words is "one trillion, two hundred three billion, four hundred forty million, one hundred ten thousand, five hundred thirteen".