55111061061102 has 16 divisors (see below), whose sum is σ = 110240152969680. Its totient is φ = 18367348545792.

The previous prime is 55111061061101. The next prime is 55111061061167. The reversal of 55111061061102 is 20116016011155.

It is a self number, because there is not a number n which added to its sum of digits gives 55111061061102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111061061101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751245577 + ... + 751318932.

It is an arithmetic number, because the mean of its divisors is an integer number (6890009560605).

Almost surely, 2^{55111061061102} is an apocalyptic number.

55111061061102 is an abundant number, since it is smaller than the sum of its proper divisors (55129091908578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55111061061102 is a wasteful number, since it uses less digits than its factorization.

55111061061102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502570627.

The product of its (nonzero) digits is 1800, while the sum is 30.

Adding to 55111061061102 its reverse (20116016011155), we get a palindrome (75227077072257).

The spelling of 55111061061102 in words is "fifty-five trillion, one hundred eleven billion, sixty-one million, sixty-one thousand, one hundred two".