55211506561112 has 16 divisors (see below), whose sum is σ = 112932627057000. Its totient is φ = 25096139345920.

The previous prime is 55211506561109. The next prime is 55211506561121. The reversal of 55211506561112 is 21116560511255.

55211506561112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55211506561112.

It is a congruent number.

It is an unprimeable number.

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, 313701741737 + ... + 313701741912.

Almost surely, 2^{55211506561112} is an apocalyptic number.

It is an amenable number.

55211506561112 is an abundant number, since it is smaller than the sum of its proper divisors (57721120495888).

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

55211506561112 is a wasteful number, since it uses less digits than its factorization.

55211506561112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627403483666 (or 627403483662 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 55211506561112 in words is "fifty-five trillion, two hundred eleven billion, five hundred six million, five hundred sixty-one thousand, one hundred twelve".