505706552106 has 32 divisors (see below), whose sum is σ = 1174849888128. Its totient is φ = 142118936640.

The previous prime is 505706552089. The next prime is 505706552107. The reversal of 505706552106 is 601255607505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505706552107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98691145 + ... + 98696268.

It is an arithmetic number, because the mean of its divisors is an integer number (36714059004).

Almost surely, 2^505706552106 is an apocalyptic number.

505706552106 is an abundant number, since it is smaller than the sum of its proper divisors (669143336022).

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

505706552106 is a wasteful number, since it uses less digits than its factorization.

505706552106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197387486.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 505706552106 in words is "five hundred five billion, seven hundred six million, five hundred fifty-two thousand, one hundred six".