1343405213525 has 6 divisors (see below), whose sum is σ = 1665822464802. Its totient is φ = 1074724170800.

The previous prime is 1343405213471. The next prime is 1343405213531. The reversal of 1343405213525 is 5253125043431.

It can be written as a sum of positive squares in 3 ways, for example, as 20965012849 + 1322440200676 = 144793^2 + 1149974^2 .

It is not a de Polignac number, because 1343405213525 - 2¹⁶ = 1343405147989 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 26868104246 + ... + 26868104295.

It is an arithmetic number, because the mean of its divisors is an integer number (277637077467).

Almost surely, 2^{1343405213525} is an apocalyptic number.

It is an amenable number.

1343405213525 is a deficient number, since it is larger than the sum of its proper divisors (322417251277).

1343405213525 is an equidigital number, since it uses as much as digits as its factorization.

1343405213525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53736208551 (or 53736208546 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1343405213525 in words is "one trillion, three hundred forty-three billion, four hundred five million, two hundred thirteen thousand, five hundred twenty-five".