531377960018 has 16 divisors (see below), whose sum is σ = 845819012160. Its totient is φ = 249829872336.

The previous prime is 531377959997. The next prime is 531377960023. The reversal of 531377960018 is 810069773135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97893005 + ... + 97898432.

It is an arithmetic number, because the mean of its divisors is an integer number (52863688260).

Almost surely, 2^531377960018 is an apocalyptic number.

531377960018 is a deficient number, since it is larger than the sum of its proper divisors (314441052142).

531377960018 is a wasteful number, since it uses less digits than its factorization.

531377960018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195791521.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 531377960018 in words is "five hundred thirty-one billion, three hundred seventy-seven million, nine hundred sixty thousand, eighteen".