25701793240957 has 8 divisors (see below), whose sum is σ = 27177978062592. Its totient is φ = 24266051839200.

The previous prime is 25701793240951. The next prime is 25701793241147. The reversal of 25701793240957 is 75904239710752.

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-25701793240957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25701793240895 and 25701793240904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25701793240951) 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, 10110853663 + ... + 10110856204.

It is an arithmetic number, because the mean of its divisors is an integer number (3397247257824).

Almost surely, 2^{25701793240957} is an apocalyptic number.

It is an amenable number.

25701793240957 is a deficient number, since it is larger than the sum of its proper divisors (1476184821635).

25701793240957 is a wasteful number, since it uses less digits than its factorization.

25701793240957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20221709939.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 25701793240957 in words is "twenty-five trillion, seven hundred one billion, seven hundred ninety-three million, two hundred forty thousand, nine hundred fifty-seven".