25045442513597 has 8 divisors (see below), whose sum is σ = 27957703271520. Its totient is φ = 22239082146960.

The previous prime is 25045442513561. The next prime is 25045442513617. The reversal of 25045442513597 is 79531524454052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25045442513597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045442518597) 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, 26475097322 + ... + 26475098267.

It is an arithmetic number, because the mean of its divisors is an integer number (3494712908940).

Almost surely, 2^{25045442513597} is an apocalyptic number.

It is an amenable number.

25045442513597 is a deficient number, since it is larger than the sum of its proper divisors (2912260757923).

25045442513597 is a wasteful number, since it uses less digits than its factorization.

25045442513597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52950195643.

The product of its (nonzero) digits is 30240000, while the sum is 56.

The spelling of 25045442513597 in words is "twenty-five trillion, forty-five billion, four hundred forty-two million, five hundred thirteen thousand, five hundred ninety-seven".