1225553647001 has 16 divisors (see below), whose sum is σ = 1261044495360. Its totient is φ = 1190578546560.

The previous prime is 1225553646893. The next prime is 1225553647039. The reversal of 1225553647001 is 1007463555221.

It is a cyclic number.

It is not a de Polignac number, because 1225553647001 - 2¹⁰ = 1225553645977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225553647001.

It is not an unprimeable number, because it can be changed into a prime (1225553644001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933256 + ... + 2487686.

It is an arithmetic number, because the mean of its divisors is an integer number (78815280960).

Almost surely, 2^{1225553647001} is an apocalyptic number.

It is an amenable number.

1225553647001 is a deficient number, since it is larger than the sum of its proper divisors (35490848359).

1225553647001 is a wasteful number, since it uses less digits than its factorization.

1225553647001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554896.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 1225553647001 in words is "one trillion, two hundred twenty-five billion, five hundred fifty-three million, six hundred forty-seven thousand, one".