511456014452 has 6 divisors (see below), whose sum is σ = 895048025298. Its totient is φ = 255728007224.

The previous prime is 511456014401. The next prime is 511456014479. The reversal of 511456014452 is 254410654115.

It can be written as a sum of positive squares in only one way, i.e., 471809629456 + 39646384996 = 686884^2 + 199114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63932001803 + ... + 63932001810.

It is an arithmetic number, because the mean of its divisors is an integer number (149174670883).

Almost surely, 2^511456014452 is an apocalyptic number.

It is an amenable number.

511456014452 is a deficient number, since it is larger than the sum of its proper divisors (383592010846).

511456014452 is a wasteful number, since it uses less digits than its factorization.

511456014452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127864003617 (or 127864003615 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 511456014452 its reverse (254410654115), we get a palindrome (765866668567).

The spelling of 511456014452 in words is "five hundred eleven billion, four hundred fifty-six million, fourteen thousand, four hundred fifty-two".