1201524435613 has 2 divisors, whose sum is σ = 1201524435614. Its totient is φ = 1201524435612.

The previous prime is 1201524435583. The next prime is 1201524435647. The reversal of 1201524435613 is 3165344251021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 650406764484 + 551117671129 = 806478^2 + 742373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201524435613 - 2²⁹ = 1200987564701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201524435673) 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, 600762217806 + 600762217807.

It is an arithmetic number, because the mean of its divisors is an integer number (600762217807).

Almost surely, 2^{1201524435613} is an apocalyptic number.

It is an amenable number.

1201524435613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201524435613 is an equidigital number, since it uses as much as digits as its factorization.

1201524435613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1201524435613 its reverse (3165344251021), we get a palindrome (4366868686634).

The spelling of 1201524435613 in words is "one trillion, two hundred one billion, five hundred twenty-four million, four hundred thirty-five thousand, six hundred thirteen".