2005555506102 has 24 divisors (see below), whose sum is σ = 4356206613720. Its totient is φ = 666851371200.

The previous prime is 2005555506077. The next prime is 2005555506139. The reversal of 2005555506102 is 2016055555002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138920152 + ... + 138934587.

It is an arithmetic number, because the mean of its divisors is an integer number (181508608905).

Almost surely, 2^{2005555506102} is an apocalyptic number.

2005555506102 is an abundant number, since it is smaller than the sum of its proper divisors (2350651107618).

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

2005555506102 is a wasteful number, since it uses less digits than its factorization.

2005555506102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277855148 (or 277855145 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 2005555506102 in words is "two trillion, five billion, five hundred fifty-five million, five hundred six thousand, one hundred two".