1225235544045 has 16 divisors (see below), whose sum is σ = 1960434441600. Its totient is φ = 653439766464.

The previous prime is 1225235544011. The next prime is 1225235544089. The reversal of 1225235544045 is 5404455325221.

It is not a de Polignac number, because 1225235544045 - 2⁶ = 1225235543981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225235543988 and 1225235544006.

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, 663889 + ... + 1700358.

It is an arithmetic number, because the mean of its divisors is an integer number (122527152600).

Almost surely, 2^{1225235544045} is an apocalyptic number.

1225235544045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1225235544045 is a deficient number, since it is larger than the sum of its proper divisors (735198897555).

1225235544045 is a wasteful number, since it uses less digits than its factorization.

1225235544045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398804.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 1225235544045 in words is "one trillion, two hundred twenty-five billion, two hundred thirty-five million, five hundred forty-four thousand, forty-five".