1224265253505 has 32 divisors (see below), whose sum is σ = 2242273152000. Its totient is φ = 558759943872.

The previous prime is 1224265253423. The next prime is 1224265253509. The reversal of 1224265253505 is 5053525624221.

It is not a de Polignac number, because 1224265253505 - 2⁷ = 1224265253377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224265253509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9353155 + ... + 9483144.

It is an arithmetic number, because the mean of its divisors is an integer number (70071036000).

Almost surely, 2^{1224265253505} is an apocalyptic number.

1224265253505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224265253505 is a deficient number, since it is larger than the sum of its proper divisors (1018007898495).

1224265253505 is a wasteful number, since it uses less digits than its factorization.

1224265253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836933.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 1224265253505 in words is "one trillion, two hundred twenty-four billion, two hundred sixty-five million, two hundred fifty-three thousand, five hundred five".