55533330001111 has 4 divisors (see below), whose sum is σ = 55775833625800. Its totient is φ = 55290826376424.

The previous prime is 55533330001103. The next prime is 55533330001187. The reversal of 55533330001111 is 11110003333555.

55533330001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55533330001111 - 2³ = 55533330001103 is a prime.

It is a super-2 number, since 2×55533330001111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533330001711) 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 3 ways as a sum of consecutive naturals, for example, 121251812001 + ... + 121251812458.

It is an arithmetic number, because the mean of its divisors is an integer number (13943958406450).

Almost surely, 2^{55533330001111} is an apocalyptic number.

55533330001111 is the 3332667-th centered decagonal number.

55533330001111 is a deficient number, since it is larger than the sum of its proper divisors (242503624689).

55533330001111 is a wasteful number, since it uses less digits than its factorization.

55533330001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242503624688.

The product of its (nonzero) digits is 10125, while the sum is 31.

Adding to 55533330001111 its reverse (11110003333555), we get a palindrome (66643333334666).

The spelling of 55533330001111 in words is "fifty-five trillion, five hundred thirty-three billion, three hundred thirty million, one thousand, one hundred eleven".