725566403542000 has 80 divisors (see below), whose sum is σ = 1764560718153792. Its totient is φ = 288548951097600.

The previous prime is 725566403541971. The next prime is 725566403542003. The reversal of 725566403542000 is 245304665527.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725566403542003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048160364 + ... + 1048852363.

Almost surely, 2^{725566403542000} is an apocalyptic number.

It is an amenable number.

725566403542000 is an abundant number, since it is smaller than the sum of its proper divisors (1038994314611792).

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

725566403542000 is a wasteful number, since it uses less digits than its factorization.

725566403542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097012923 (or 2097012907 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 725566403542000 in words is "seven hundred twenty-five trillion, five hundred sixty-six billion, four hundred three million, five hundred forty-two thousand".