12461436560511 has 6 divisors (see below), whose sum is σ = 17999852809640. Its totient is φ = 8307624373668.

The previous prime is 12461436560467. The next prime is 12461436560519. The reversal of 12461436560511 is 11506563416421.

12461436560511 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 1 + 4 + 36 + 5 + 605 + 1 + 1 = 666.

It is not a de Polignac number, because 12461436560511 - 2¹⁰ = 12461436559487 is a prime.

It is a super-2 number, since 2×12461436560511² (a number of 27 digits) 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 (12461436560519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692302031131 + ... + 692302031148.

Almost surely, 2^{12461436560511} is an apocalyptic number.

12461436560511 is a deficient number, since it is larger than the sum of its proper divisors (5538416249129).

12461436560511 is a wasteful number, since it uses less digits than its factorization.

12461436560511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384604062285 (or 1384604062282 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

Adding to 12461436560511 its reverse (11506563416421), we get a palindrome (23967999976932).

The spelling of 12461436560511 in words is "twelve trillion, four hundred sixty-one billion, four hundred thirty-six million, five hundred sixty thousand, five hundred eleven".