1225043625655 has 16 divisors (see below), whose sum is σ = 1472925189600. Its totient is φ = 978120355840.

The previous prime is 1225043625601. The next prime is 1225043625677. The reversal of 1225043625655 is 5565263405221.

It is not a de Polignac number, because 1225043625655 - 2²⁵ = 1225010071223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15440076 + ... + 15519214.

It is an arithmetic number, because the mean of its divisors is an integer number (92057824350).

Almost surely, 2^{1225043625655} is an apocalyptic number.

1225043625655 is a deficient number, since it is larger than the sum of its proper divisors (247881563945).

1225043625655 is an equidigital number, since it uses as much as digits as its factorization.

1225043625655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85154.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 1225043625655 in words is "one trillion, two hundred twenty-five billion, forty-three million, six hundred twenty-five thousand, six hundred fifty-five".