5205705102 has 48 divisors (see below), whose sum is σ = 12173943600. Its totient is φ = 1598155776.

The previous prime is 5205705067. The next prime is 5205705143. The reversal of 5205705102 is 2015075025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80293 + ... + 129839.

It is an arithmetic number, because the mean of its divisors is an integer number (253623825).

Almost surely, 2^5205705102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5205705102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6086971800).

5205705102 is an abundant number, since it is smaller than the sum of its proper divisors (6968238498).

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

5205705102 is a wasteful number, since it uses less digits than its factorization.

5205705102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50017 (or 50014 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 5205705102 is about 72150.5724301616. The cubic root of 5205705102 is about 1733.1115666065. Note that the first 3 decimals are identical.

The spelling of 5205705102 in words is "five billion, two hundred five million, seven hundred five thousand, one hundred two".