511004443142 has 4 divisors (see below), whose sum is σ = 766506664716. Its totient is φ = 255502221570.

The previous prime is 511004443141. The next prime is 511004443217. The reversal of 511004443142 is 241344400115.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×511004443142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511004443141) by changing a digit.

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 as a sum of consecutive naturals, namely, 127751110784 + ... + 127751110787.

It is an arithmetic number, because the mean of its divisors is an integer number (191626666179).

Almost surely, 2^511004443142 is an apocalyptic number.

511004443142 is a deficient number, since it is larger than the sum of its proper divisors (255502221574).

511004443142 is a wasteful number, since it uses less digits than its factorization.

511004443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255502221573.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 511004443142 its reverse (241344400115), we get a palindrome (752348843257).

The spelling of 511004443142 in words is "five hundred eleven billion, four million, four hundred forty-three thousand, one hundred forty-two".