25142452457457 has 8 divisors (see below), whose sum is σ = 33549521530176. Its totient is φ = 16748509178192.

The previous prime is 25142452457443. The next prime is 25142452457459. The reversal of 25142452457457 is 75475425424152.

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

It is a cyclic number.

It is not a de Polignac number, because 25142452457457 - 2⁶ = 25142452457393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25142452457397 and 25142452457406.

It is not an unprimeable number, because it can be changed into a prime (25142452457459) 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, 3281443893 + ... + 3281451554.

It is an arithmetic number, because the mean of its divisors is an integer number (4193690191272).

Almost surely, 2^{25142452457457} is an apocalyptic number.

It is an amenable number.

25142452457457 is a deficient number, since it is larger than the sum of its proper divisors (8407069072719).

25142452457457 is a wasteful number, since it uses less digits than its factorization.

25142452457457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562896727.

The product of its digits is 62720000, while the sum is 57.

The spelling of 25142452457457 in words is "twenty-five trillion, one hundred forty-two billion, four hundred fifty-two million, four hundred fifty-seven thousand, four hundred fifty-seven".