25857073124458 has 8 divisors (see below), whose sum is σ = 38785817190528. Its totient is φ = 12928467394284.

The previous prime is 25857073124453. The next prime is 25857073124459. The reversal of 25857073124458 is 85442137075852.

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

It is a junction number, because it is equal to n+sod(n) for n = 25857073124396 and 25857073124405.

It is not an unprimeable number, because it can be changed into a prime (25857073124453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34115416 + ... + 34865107.

It is an arithmetic number, because the mean of its divisors is an integer number (4848227148816).

Almost surely, 2^{25857073124458} is an apocalyptic number.

25857073124458 is a deficient number, since it is larger than the sum of its proper divisors (12928744066070).

25857073124458 is a wasteful number, since it uses less digits than its factorization.

25857073124458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69167948.

The product of its (nonzero) digits is 75264000, while the sum is 61.

The spelling of 25857073124458 in words is "twenty-five trillion, eight hundred fifty-seven billion, seventy-three million, one hundred twenty-four thousand, four hundred fifty-eight".