1252313011405 has 32 divisors (see below), whose sum is σ = 1538397619200. Its totient is φ = 978286563072.

The previous prime is 1252313011351. The next prime is 1252313011421. The reversal of 1252313011405 is 5041103132521.

It is a cyclic number.

It is not a de Polignac number, because 1252313011405 - 2¹¹ = 1252313009357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141675976 + ... + 141684814.

It is an arithmetic number, because the mean of its divisors is an integer number (48074925600).

Almost surely, 2^{1252313011405} is an apocalyptic number.

It is an amenable number.

1252313011405 is a deficient number, since it is larger than the sum of its proper divisors (286084607795).

1252313011405 is a wasteful number, since it uses less digits than its factorization.

1252313011405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1252313011405 its reverse (5041103132521), we get a palindrome (6293416143926).

The spelling of 1252313011405 in words is "one trillion, two hundred fifty-two billion, three hundred thirteen million, eleven thousand, four hundred five".