12465426566461 has 16 divisors (see below), whose sum is σ = 14401682155008. Its totient is φ = 10677717745200.

The previous prime is 12465426566443. The next prime is 12465426566477. The reversal of 12465426566461 is 16466562456421.

It is not a de Polignac number, because 12465426566461 - 2¹⁷ = 12465426435389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12465426566396 and 12465426566405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465426566491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367673055 + ... + 367706956.

It is an arithmetic number, because the mean of its divisors is an integer number (900105134688).

Almost surely, 2^{12465426566461} is an apocalyptic number.

12465426566461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12465426566461 is a deficient number, since it is larger than the sum of its proper divisors (1936255588547).

12465426566461 is a wasteful number, since it uses less digits than its factorization.

12465426566461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735380112.

The product of its digits is 49766400, while the sum is 58.

The spelling of 12465426566461 in words is "twelve trillion, four hundred sixty-five billion, four hundred twenty-six million, five hundred sixty-six thousand, four hundred sixty-one".