25105068656057 has 8 divisors (see below), whose sum is σ = 27036312467136. Its totient is φ = 23173836942672.

The previous prime is 25105068656051. The next prime is 25105068656081. The reversal of 25105068656057 is 75065686050152.

It is a happy number.

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

It is not a de Polignac number, because 25105068656057 - 2⁸ = 25105068655801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25105068655993 and 25105068656011.

It is not an unprimeable number, because it can be changed into a prime (25105068656051) 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, 1540838 + ... + 7251504.

It is an arithmetic number, because the mean of its divisors is an integer number (3379539058392).

Almost surely, 2^{25105068656057} is an apocalyptic number.

It is an amenable number.

25105068656057 is a deficient number, since it is larger than the sum of its proper divisors (1931243811079).

25105068656057 is a wasteful number, since it uses less digits than its factorization.

25105068656057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048847.

The product of its (nonzero) digits is 15120000, while the sum is 56.

The spelling of 25105068656057 in words is "twenty-five trillion, one hundred five billion, sixty-eight million, six hundred fifty-six thousand, fifty-seven".