513111141 has 24 divisors (see below), whose sum is σ = 756063360. Its totient is φ = 335232576.

The previous prime is 513111121. The next prime is 513111143. The reversal of 513111141 is 141111315.

513111141 is a `hidden beast` number, since 513 + 1 + 11 + 141 = 666.

It is not a de Polignac number, because 513111141 - 2⁷ = 513111013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513111143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193561 + ... + 196193.

It is an arithmetic number, because the mean of its divisors is an integer number (31502640).

Almost surely, 2^513111141 is an apocalyptic number.

It is an amenable number.

513111141 is a deficient number, since it is larger than the sum of its proper divisors (242952219).

513111141 is a wasteful number, since it uses less digits than its factorization.

513111141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3062 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 513111141 is about 22651.9566704512. The cubic root of 513111141 is about 800.5783011299.

Adding to 513111141 its reverse (141111315), we get a palindrome (654222456).

The spelling of 513111141 in words is "five hundred thirteen million, one hundred eleven thousand, one hundred forty-one".