1344505220525 has 12 divisors (see below), whose sum is σ = 1667256509364. Its totient is φ = 1075558992000.

The previous prime is 1344505220501. The next prime is 1344505220561. The reversal of 1344505220525 is 5250225054431.

It can be written as a sum of positive squares in 6 ways, for example, as 244830008809 + 1099675211716 = 494803^2 + 1048654^2 .

It is not a de Polignac number, because 1344505220525 - 2¹⁰ = 1344505219501 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 516056 + ... + 1719105.

It is an arithmetic number, because the mean of its divisors is an integer number (138938042447).

Almost surely, 2^{1344505220525} is an apocalyptic number.

It is an amenable number.

1344505220525 is a deficient number, since it is larger than the sum of its proper divisors (322751288839).

1344505220525 is a wasteful number, since it uses less digits than its factorization.

1344505220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259232 (or 2259227 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 1344505220525 in words is "one trillion, three hundred forty-four billion, five hundred five million, two hundred twenty thousand, five hundred twenty-five".