511351144142 has 16 divisors (see below), whose sum is σ = 769678546560. Its totient is φ = 254791961208.

The previous prime is 511351144123. The next prime is 511351144181. The reversal of 511351144142 is 241441153115.

It is a super-2 number, since 2×511351144142² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511351144099 and 511351144108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3099503 + ... + 3260309.

It is an arithmetic number, because the mean of its divisors is an integer number (48104909160).

Almost surely, 2^511351144142 is an apocalyptic number.

511351144142 is a deficient number, since it is larger than the sum of its proper divisors (258327402418).

511351144142 is a wasteful number, since it uses less digits than its factorization.

511351144142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166295.

The product of its digits is 9600, while the sum is 32.

Adding to 511351144142 its reverse (241441153115), we get a palindrome (752792297257).

The spelling of 511351144142 in words is "five hundred eleven billion, three hundred fifty-one million, one hundred forty-four thousand, one hundred forty-two".