12461115412431 has 32 divisors (see below), whose sum is σ = 21113619194880. Its totient is φ = 7115428279008.

The previous prime is 12461115412397. The next prime is 12461115412453. The reversal of 12461115412431 is 13421451116421.

12461115412431 is a `hidden beast` number, since 1 + 2 + 4 + 61 + 1 + 1 + 541 + 24 + 31 = 666.

It is not a de Polignac number, because 12461115412431 - 2¹⁴ = 12461115396047 is a prime.

It is a super-2 number, since 2×12461115412431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461115412481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23857156 + ... + 24373881.

It is an arithmetic number, because the mean of its divisors is an integer number (659800599840).

Almost surely, 2^{12461115412431} is an apocalyptic number.

12461115412431 is a deficient number, since it is larger than the sum of its proper divisors (8652503782449).

12461115412431 is a wasteful number, since it uses less digits than its factorization.

12461115412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48232420 (or 48232414 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

Adding to 12461115412431 its reverse (13421451116421), we get a palindrome (25882566528852).

The spelling of 12461115412431 in words is "twelve trillion, four hundred sixty-one billion, one hundred fifteen million, four hundred twelve thousand, four hundred thirty-one".