1225343045680 has 40 divisors (see below), whose sum is σ = 3068070474672. Its totient is φ = 452434354944.

The previous prime is 1225343045609. The next prime is 1225343045687. The reversal of 1225343045680 is 865403435221.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1225343045687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589106194 + ... + 589108273.

Almost surely, 2^{1225343045680} is an apocalyptic number.

1225343045680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225343045680 is an abundant number, since it is smaller than the sum of its proper divisors (1842727428992).

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

1225343045680 is a wasteful number, since it uses less digits than its factorization.

1225343045680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178214493 (or 1178214487 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1225343045680 in words is "one trillion, two hundred twenty-five billion, three hundred forty-three million, forty-five thousand, six hundred eighty".