1225381845176 has 16 divisors (see below), whose sum is σ = 2359688013240. Its totient is φ = 596131708320.

The previous prime is 1225381845151. The next prime is 1225381845209. The reversal of 1225381845176 is 6715481835221.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069901470 + ... + 2069902061.

Almost surely, 2^{1225381845176} is an apocalyptic number.

It is an amenable number.

1225381845176 is a deficient number, since it is larger than the sum of its proper divisors (1134306168064).

1225381845176 is a wasteful number, since it uses less digits than its factorization.

1225381845176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139803574 (or 4139803570 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The spelling of 1225381845176 in words is "one trillion, two hundred twenty-five billion, three hundred eighty-one million, eight hundred forty-five thousand, one hundred seventy-six".