1341155521311 has 4 divisors (see below), whose sum is σ = 1788207361752. Its totient is φ = 894103680872.

The previous prime is 1341155521253. The next prime is 1341155521361. The reversal of 1341155521311 is 1131255511431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1341155521311 - 2⁶ = 1341155521247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341155521361) 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 3 ways as a sum of consecutive naturals, for example, 223525920216 + ... + 223525920221.

It is an arithmetic number, because the mean of its divisors is an integer number (447051840438).

Almost surely, 2^{1341155521311} is an apocalyptic number.

1341155521311 is a deficient number, since it is larger than the sum of its proper divisors (447051840441).

1341155521311 is an equidigital number, since it uses as much as digits as its factorization.

1341155521311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447051840440.

The product of its digits is 9000, while the sum is 33.

The spelling of 1341155521311 in words is "one trillion, three hundred forty-one billion, one hundred fifty-five million, five hundred twenty-one thousand, three hundred eleven".