1200993711503 has 2 divisors, whose sum is σ = 1200993711504. Its totient is φ = 1200993711502.

The previous prime is 1200993711451. The next prime is 1200993711557. The reversal of 1200993711503 is 3051173990021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3051173990021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200993711503 - 2¹⁰ = 1200993710479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200993711563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600496855751 + 600496855752.

It is an arithmetic number, because the mean of its divisors is an integer number (600496855752).

Almost surely, 2^{1200993711503} is an apocalyptic number.

1200993711503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200993711503 is an equidigital number, since it uses as much as digits as its factorization.

1200993711503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 1200993711503 in words is "one trillion, two hundred billion, nine hundred ninety-three million, seven hundred eleven thousand, five hundred three".