513512255141 has 4 divisors (see below), whose sum is σ = 514203389472. Its totient is φ = 512821120812.

The previous prime is 513512255117. The next prime is 513512255183. The reversal of 513512255141 is 141552215315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513512255141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513512255111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345566051 + ... + 345567536.

It is an arithmetic number, because the mean of its divisors is an integer number (128550847368).

Almost surely, 2^513512255141 is an apocalyptic number.

It is an amenable number.

513512255141 is a deficient number, since it is larger than the sum of its proper divisors (691134331).

513512255141 is an equidigital number, since it uses as much as digits as its factorization.

513512255141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691134330.

The product of its digits is 30000, while the sum is 35.

The spelling of 513512255141 in words is "five hundred thirteen billion, five hundred twelve million, two hundred fifty-five thousand, one hundred forty-one".