511142463 has 12 divisors (see below), whose sum is σ = 795110680. Its totient is φ = 314549136.

The previous prime is 511142461. The next prime is 511142473. The reversal of 511142463 is 364241115.

It is a happy number.

511142463 is a `hidden beast` number, since 511 + 142 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 511142463 - 2¹ = 511142461 is a prime.

It is a super-3 number, since 3×511142463³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511142461) 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, 2184253 + ... + 2184486.

Almost surely, 2^511142463 is an apocalyptic number.

511142463 is a deficient number, since it is larger than the sum of its proper divisors (283968217).

511142463 is a wasteful number, since it uses less digits than its factorization.

511142463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368758 (or 4368755 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 511142463 is about 22608.4599873587. The cubic root of 511142463 is about 799.5531165613.

Adding to 511142463 its reverse (364241115), we get a palindrome (875383578).

It can be divided in two parts, 5111 and 42463, that added together give a palindrome (47574).

The spelling of 511142463 in words is "five hundred eleven million, one hundred forty-two thousand, four hundred sixty-three".