512151052023513 has 24 divisors (see below), whose sum is σ = 845510368442688. Its totient is φ = 292638822027552.

The previous prime is 512151052023509. The next prime is 512151052023539. The reversal of 512151052023513 is 315320250151215.

512151052023513 is a `hidden beast` number, since 5 + 1 + 2 + 15 + 105 + 2 + 0 + 23 + 513 = 666.

It is not a de Polignac number, because 512151052023513 - 2² = 512151052023509 is a prime.

It is a super-2 number, since 2×512151052023513² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512151052023913) 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, 261823206 + ... + 263772047.

It is an arithmetic number, because the mean of its divisors is an integer number (35229598685112).

Almost surely, 2^{512151052023513} is an apocalyptic number.

It is an amenable number.

512151052023513 is a deficient number, since it is larger than the sum of its proper divisors (333359316419175).

512151052023513 is a wasteful number, since it uses less digits than its factorization.

512151052023513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525610733 (or 525610730 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 512151052023513 in words is "five hundred twelve trillion, one hundred fifty-one billion, fifty-two million, twenty-three thousand, five hundred thirteen".