1252344541345 has 16 divisors (see below), whose sum is σ = 1514760616512. Its totient is φ = 993915657280.

The previous prime is 1252344541321. The next prime is 1252344541351. The reversal of 1252344541345 is 5431454432521.

It is a happy number.

It is not a de Polignac number, because 1252344541345 - 2⁹ = 1252344540833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799499 + ... + 2396431.

It is an arithmetic number, because the mean of its divisors is an integer number (94672538532).

Almost surely, 2^{1252344541345} is an apocalyptic number.

It is an amenable number.

1252344541345 is a deficient number, since it is larger than the sum of its proper divisors (262416075167).

1252344541345 is a wasteful number, since it uses less digits than its factorization.

1252344541345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600272.

The product of its digits is 1152000, while the sum is 43.

Adding to 1252344541345 its reverse (5431454432521), we get a palindrome (6683798973866).

The spelling of 1252344541345 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, five hundred forty-one thousand, three hundred forty-five".