55000561116111 has 8 divisors (see below), whose sum is σ = 78975164679600. Its totient is φ = 33846499148352.

The previous prime is 55000561116049. The next prime is 55000561116121. The reversal of 55000561116111 is 11161116500055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55000561116111 - 2⁶ = 55000561116047 is a prime.

It is a super-2 number, since 2×55000561116111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000561116121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705135398886 + ... + 705135398963.

It is an arithmetic number, because the mean of its divisors is an integer number (9871895584950).

Almost surely, 2^{55000561116111} is an apocalyptic number.

55000561116111 is a deficient number, since it is larger than the sum of its proper divisors (23974603563489).

55000561116111 is a wasteful number, since it uses less digits than its factorization.

55000561116111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410270797865.

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 55000561116111 its reverse (11161116500055), we get a palindrome (66161677616166).

The spelling of 55000561116111 in words is "fifty-five trillion, five hundred sixty-one million, one hundred sixteen thousand, one hundred eleven".