11355323320511 has 16 divisors (see below), whose sum is σ = 11483178470400. Its totient is φ = 11228244572160.

The previous prime is 11355323320507. The next prime is 11355323320513. The reversal of 11355323320511 is 11502332355311.

It is a cyclic number.

It is not a de Polignac number, because 11355323320511 - 2² = 11355323320507 is a prime.

It is a super-2 number, since 2×11355323320511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355323320513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68001026 + ... + 68167808.

It is an arithmetic number, because the mean of its divisors is an integer number (717698654400).

Almost surely, 2^{11355323320511} is an apocalyptic number.

11355323320511 is a deficient number, since it is larger than the sum of its proper divisors (127855149889).

11355323320511 is a wasteful number, since it uses less digits than its factorization.

11355323320511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169106.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 11355323320511 its reverse (11502332355311), we get a palindrome (22857655675822).

The spelling of 11355323320511 in words is "eleven trillion, three hundred fifty-five billion, three hundred twenty-three million, three hundred twenty thousand, five hundred eleven".