55220724006111 has 6 divisors (see below), whose sum is σ = 79763268008840. Its totient is φ = 36813816004068.

The previous prime is 55220724006037. The next prime is 55220724006163. The reversal of 55220724006111 is 11160042702255.

55220724006111 is a `hidden beast` number, since 5 + 52 + 20 + 72 + 400 + 6 + 111 = 666.

It is not a de Polignac number, because 55220724006111 - 2¹¹ = 55220724004063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55220724002111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3067818000331 + ... + 3067818000348.

Almost surely, 2^{55220724006111} is an apocalyptic number.

55220724006111 is a deficient number, since it is larger than the sum of its proper divisors (24542544002729).

55220724006111 is a wasteful number, since it uses less digits than its factorization.

55220724006111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135636000685 (or 6135636000682 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 55220724006111 its reverse (11160042702255), we get a palindrome (66380766708366).

The spelling of 55220724006111 in words is "fifty-five trillion, two hundred twenty billion, seven hundred twenty-four million, six thousand, one hundred eleven".