11555450322141 has 32 divisors (see below), whose sum is σ = 16842340924416. Its totient is φ = 6988967856000.

The previous prime is 11555450322007. The next prime is 11555450322149. The reversal of 11555450322141 is 14122305455511.

It is not a de Polignac number, because 11555450322141 - 2¹¹ = 11555450320093 is a prime.

It is a super-4 number, since 4×11555450322141⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11555450322141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555450322149) 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 31 ways as a sum of consecutive naturals, for example, 149660856 + ... + 149738046.

It is an arithmetic number, because the mean of its divisors is an integer number (526323153888).

Almost surely, 2^{11555450322141} is an apocalyptic number.

11555450322141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11555450322141 is a deficient number, since it is larger than the sum of its proper divisors (5286890602275).

11555450322141 is a wasteful number, since it uses less digits than its factorization.

11555450322141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86433.

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 11555450322141 its reverse (14122305455511), we get a palindrome (25677755777652).

The spelling of 11555450322141 in words is "eleven trillion, five hundred fifty-five billion, four hundred fifty million, three hundred twenty-two thousand, one hundred forty-one".