11205323134544 has 80 divisors (see below), whose sum is σ = 27073835127936. Its totient is φ = 4364673024000.

The previous prime is 11205323134543. The next prime is 11205323134583. The reversal of 11205323134544 is 44543132350211.

It is a junction number, because it is equal to n+sod(n) for n = 11205323134498 and 11205323134507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205323134543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4116944 + ... + 6273744.

Almost surely, 2^{11205323134544} is an apocalyptic number.

11205323134544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11205323134544 is an abundant number, since it is smaller than the sum of its proper divisors (15868511993392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11205323134544 is a wasteful number, since it uses less digits than its factorization.

11205323134544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161044 (or 2161038 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 11205323134544 its reverse (44543132350211), we get a palindrome (55748455484755).

The spelling of 11205323134544 in words is "eleven trillion, two hundred five billion, three hundred twenty-three million, one hundred thirty-four thousand, five hundred forty-four".