511351041242 has 8 divisors (see below), whose sum is σ = 768081621216. Its totient is φ = 255323834172.

The previous prime is 511351041239. The next prime is 511351041269. The reversal of 511351041242 is 242140153115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511351041242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175841408 + ... + 175844315.

It is an arithmetic number, because the mean of its divisors is an integer number (96010202652).

Almost surely, 2^511351041242 is an apocalyptic number.

511351041242 is a deficient number, since it is larger than the sum of its proper divisors (256730579974).

511351041242 is a wasteful number, since it uses less digits than its factorization.

511351041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351686452.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 511351041242 its reverse (242140153115), we get a palindrome (753491194357).

The spelling of 511351041242 in words is "five hundred eleven billion, three hundred fifty-one million, forty-one thousand, two hundred forty-two".