511351144141 has 8 divisors (see below), whose sum is σ = 525352089240. Its totient is φ = 497359706688.

The previous prime is 511351144123. The next prime is 511351144181. The reversal of 511351144141 is 141441153115.

It can be written as a sum of positive squares in 4 ways, for example, as 418280388516 + 93070755625 = 646746^2 + 305075^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 511351144141 - 2⁷ = 511351144013 is a prime.

It is a super-2 number, since 2×511351144141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511351144121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267806 + ... + 2483071.

It is an arithmetic number, because the mean of its divisors is an integer number (65669011155).

Almost surely, 2^511351144141 is an apocalyptic number.

It is an amenable number.

511351144141 is a deficient number, since it is larger than the sum of its proper divisors (14000945099).

511351144141 is a wasteful number, since it uses less digits than its factorization.

511351144141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753823.

The product of its digits is 4800, while the sum is 31.

Adding to 511351144141 its reverse (141441153115), we get a palindrome (652792297256).

The spelling of 511351144141 in words is "five hundred eleven billion, three hundred fifty-one million, one hundred forty-four thousand, one hundred forty-one".