12345555140424 has 96 divisors (see below), whose sum is σ = 36514268519040. Its totient is φ = 3737101449600.

The previous prime is 12345555140383. The next prime is 12345555140459. The reversal of 12345555140424 is 42404155554321.

12345555140424 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 55 + 551 + 4 + 0 + 42 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12345555140424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7537312 + ... + 9027855.

It is an arithmetic number, because the mean of its divisors is an integer number (380356963740).

Almost surely, 2^{12345555140424} is an apocalyptic number.

It is an amenable number.

12345555140424 is an abundant number, since it is smaller than the sum of its proper divisors (24168713378616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345555140424 is a wasteful number, since it uses less digits than its factorization.

12345555140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16566131 (or 16566124 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 12345555140424 in words is "twelve trillion, three hundred forty-five billion, five hundred fifty-five million, one hundred forty thousand, four hundred twenty-four".