511234796945 has 16 divisors (see below), whose sum is σ = 625268373840. Its totient is φ = 401135314944.

The previous prime is 511234796939. The next prime is 511234796951. The reversal of 511234796945 is 549697432115.

It is an interprime number because it is at equal distance from previous prime (511234796939) and next prime (511234796951).

It can be written as a sum of positive squares in 8 ways, for example, as 62940272641 + 448294524304 = 250879^2 + 669548^2 .

It is not a de Polignac number, because 511234796945 - 2¹⁰ = 511234795921 is a prime.

It is a super-2 number, since 2×511234796945² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461897 + ... + 1111673.

It is an arithmetic number, because the mean of its divisors is an integer number (39079273365).

Almost surely, 2^511234796945 is an apocalyptic number.

It is an amenable number.

511234796945 is a deficient number, since it is larger than the sum of its proper divisors (114033576895).

511234796945 is a wasteful number, since it uses less digits than its factorization.

511234796945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652804.

The product of its digits is 8164800, while the sum is 56.

The spelling of 511234796945 in words is "five hundred eleven billion, two hundred thirty-four million, seven hundred ninety-six thousand, nine hundred forty-five".