511445342215012 has 12 divisors (see below), whose sum is σ = 896071292245360. Its totient is φ = 255424973002056.

The previous prime is 511445342214977. The next prime is 511445342215013. The reversal of 511445342215012 is 210512243544115.

It is not an unprimeable number, because it can be changed into a prime (511445342215013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74424522498 + ... + 74424529369.

Almost surely, 2^{511445342215012} is an apocalyptic number.

It is an amenable number.

511445342215012 is a deficient number, since it is larger than the sum of its proper divisors (384625950030348).

511445342215012 is a wasteful number, since it uses less digits than its factorization.

511445342215012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148849052730 (or 148849052728 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 511445342215012 its reverse (210512243544115), we get a palindrome (721957585759127).

The spelling of 511445342215012 in words is "five hundred eleven trillion, four hundred forty-five billion, three hundred forty-two million, two hundred fifteen thousand, twelve".