12465110745 has 48 divisors (see below), whose sum is σ = 22955409360. Its totient is φ = 6245309952.

The previous prime is 12465110741. The next prime is 12465110747. The reversal of 12465110745 is 54701156421.

12465110745 is a `hidden beast` number, since 12 + 465 + 110 + 74 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 85433049 + 12379677696 = 9243^2 + 111264^2 .

It is not a de Polignac number, because 12465110745 - 2² = 12465110741 is a prime.

It is a super-2 number, since 2×12465110745² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12465110741) 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 47 ways as a sum of consecutive naturals, for example, 80794 + ... + 177363.

It is an arithmetic number, because the mean of its divisors is an integer number (478237695).

Almost surely, 2^12465110745 is an apocalyptic number.

12465110745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12465110745 is a deficient number, since it is larger than the sum of its proper divisors (10490298615).

12465110745 is a wasteful number, since it uses less digits than its factorization.

12465110745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258234 (or 258231 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 12465110745 in words is "twelve billion, four hundred sixty-five million, one hundred ten thousand, seven hundred forty-five".