511968575 has 12 divisors (see below), whose sum is σ = 643784688. Its totient is φ = 403804800.

The previous prime is 511968563. The next prime is 511968577. The reversal of 511968575 is 575869115.

It is not a de Polignac number, because 511968575 - 2⁴ = 511968559 is a prime.

It is a super-2 number, since 2×511968575² = 524223643575061250, which 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 (511968577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142442 + ... + 145991.

It is an arithmetic number, because the mean of its divisors is an integer number (53648724).

Almost surely, 2^511968575 is an apocalyptic number.

511968575 is a deficient number, since it is larger than the sum of its proper divisors (131816113).

511968575 is a wasteful number, since it uses less digits than its factorization.

511968575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288514 (or 288509 counting only the distinct ones).

The product of its digits is 378000, while the sum is 47.

The square root of 511968575 is about 22626.7225863579. The cubic root of 511968575 is about 799.9836324776.

The spelling of 511968575 in words is "five hundred eleven million, nine hundred sixty-eight thousand, five hundred seventy-five".