505616772112530 has 128 divisors (see below), whose sum is σ = 1308658857472512. Its totient is φ = 124284868743168.

The previous prime is 505616772112519. The next prime is 505616772112553. The reversal of 505616772112530 is 35211277616505.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6506166954 + ... + 6506244666.

It is an arithmetic number, because the mean of its divisors is an integer number (10223897324004).

Almost surely, 2^{505616772112530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505616772112530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654329428736256).

505616772112530 is an abundant number, since it is smaller than the sum of its proper divisors (803042085359982).

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

505616772112530 is a wasteful number, since it uses less digits than its factorization.

505616772112530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100932.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 505616772112530 in words is "five hundred five trillion, six hundred sixteen billion, seven hundred seventy-two million, one hundred twelve thousand, five hundred thirty".