25056717586990 has 8 divisors (see below), whose sum is σ = 45102091656600. Its totient is φ = 10022687034792.

The previous prime is 25056717586961. The next prime is 25056717586993. The reversal of 25056717586990 is 9968571765052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25056717586993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252835879340 + ... + 1252835879359.

It is an arithmetic number, because the mean of its divisors is an integer number (5637761457075).

Almost surely, 2^{25056717586990} is an apocalyptic number.

25056717586990 is a deficient number, since it is larger than the sum of its proper divisors (20045374069610).

25056717586990 is a wasteful number, since it uses less digits than its factorization.

25056717586990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505671758706.

The product of its (nonzero) digits is 285768000, while the sum is 70.

The spelling of 25056717586990 in words is "twenty-five trillion, fifty-six billion, seven hundred seventeen million, five hundred eighty-six thousand, nine hundred ninety".