55241111121 has 16 divisors (see below), whose sum is σ = 85603660800. Its totient is φ = 31031325648.

The previous prime is 55241111099. The next prime is 55241111131. The reversal of 55241111121 is 12111114255.

It is not a de Polignac number, because 55241111121 - 2¹⁸ = 55240848977 is a prime.

It is a super-3 number, since 3×55241111121³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55241111091 and 55241111100.

It is not an unprimeable number, because it can be changed into a prime (55241111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22291381 + ... + 22293858.

It is an arithmetic number, because the mean of its divisors is an integer number (5350228800).

Almost surely, 2^55241111121 is an apocalyptic number.

It is an amenable number.

55241111121 is a deficient number, since it is larger than the sum of its proper divisors (30362549679).

55241111121 is a wasteful number, since it uses less digits than its factorization.

55241111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44585308.

The product of its digits is 400, while the sum is 24.

Adding to 55241111121 its reverse (12111114255), we get a palindrome (67352225376).

The spelling of 55241111121 in words is "fifty-five billion, two hundred forty-one million, one hundred eleven thousand, one hundred twenty-one".