1245355353511 has 2 divisors, whose sum is σ = 1245355353512. Its totient is φ = 1245355353510.

The previous prime is 1245355353493. The next prime is 1245355353569. The reversal of 1245355353511 is 1153535535421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1245355353511 - 2¹⁹ = 1245354829223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245355353911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622677676755 + 622677676756.

It is an arithmetic number, because the mean of its divisors is an integer number (622677676756).

Almost surely, 2^{1245355353511} is an apocalyptic number.

1245355353511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245355353511 is an equidigital number, since it uses as much as digits as its factorization.

1245355353511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 675000, while the sum is 43.

The spelling of 1245355353511 in words is "one trillion, two hundred forty-five billion, three hundred fifty-five million, three hundred fifty-three thousand, five hundred eleven".