25497193095728 has 40 divisors (see below), whose sum is σ = 52315409447712. Its totient is φ = 11996690807808.

The previous prime is 25497193095727. The next prime is 25497193095793. The reversal of 25497193095728 is 82759039179452.

It is not an unprimeable number, because it can be changed into a prime (25497193095727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6121700 + ... + 9405827.

Almost surely, 2^{25497193095728} is an apocalyptic number.

It is an amenable number.

25497193095728 is an abundant number, since it is smaller than the sum of its proper divisors (26818216351984).

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

25497193095728 is a wasteful number, since it uses less digits than its factorization.

25497193095728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533589 (or 15533583 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 25497193095728 in words is "twenty-five trillion, four hundred ninety-seven billion, one hundred ninety-three million, ninety-five thousand, seven hundred twenty-eight".