1225441863048 has 128 divisors (see below), whose sum is σ = 3412553114880. Its totient is φ = 364290600960.

The previous prime is 1225441862989. The next prime is 1225441863073. The reversal of 1225441863048 is 8403681445221.

It is a junction number, because it is equal to n+sod(n) for n = 1225441862988 and 1225441863006.

It is an unprimeable number.

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, 852540 + ... + 1782612.

It is an arithmetic number, because the mean of its divisors is an integer number (26660571210).

Almost surely, 2^{1225441863048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225441863048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706276557440).

1225441863048 is an abundant number, since it is smaller than the sum of its proper divisors (2187111251832).

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

1225441863048 is a wasteful number, since it uses less digits than its factorization.

1225441863048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930239 (or 930235 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 1225441863048 in words is "one trillion, two hundred twenty-five billion, four hundred forty-one million, eight hundred sixty-three thousand, forty-eight".