1341053345521 has 8 divisors (see below), whose sum is σ = 1420341262920. Its totient is φ = 1261810142208.

The previous prime is 1341053345459. The next prime is 1341053345537. The reversal of 1341053345521 is 1255433501431.

It can be written as a sum of positive squares in 4 ways, for example, as 244926010000 + 1096127335521 = 494900^2 + 1046961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1341053345521 - 2¹⁹ = 1341052821233 is a prime.

It is a super-2 number, since 2×1341053345521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341053345581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11116756 + ... + 11236741.

It is an arithmetic number, because the mean of its divisors is an integer number (177542657865).

Almost surely, 2^{1341053345521} is an apocalyptic number.

It is an amenable number.

1341053345521 is a deficient number, since it is larger than the sum of its proper divisors (79287917399).

1341053345521 is a wasteful number, since it uses less digits than its factorization.

1341053345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357043.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1341053345521 its reverse (1255433501431), we get a palindrome (2596486846952).

The spelling of 1341053345521 in words is "one trillion, three hundred forty-one billion, fifty-three million, three hundred forty-five thousand, five hundred twenty-one".