25542026563202 has 8 divisors (see below), whose sum is σ = 38315446037136. Its totient is φ = 12770211217492.

The previous prime is 25542026563201. The next prime is 25542026563223. The reversal of 25542026563202 is 20236562024552.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (25542026563201) 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, 400992248 + ... + 401055939.

It is an arithmetic number, because the mean of its divisors is an integer number (4789430754642).

Almost surely, 2^{25542026563202} is an apocalyptic number.

25542026563202 is a deficient number, since it is larger than the sum of its proper divisors (12773419473934).

25542026563202 is a wasteful number, since it uses less digits than its factorization.

25542026563202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802064112.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 25542026563202 its reverse (20236562024552), we get a palindrome (45778588587754).

The spelling of 25542026563202 in words is "twenty-five trillion, five hundred forty-two billion, twenty-six million, five hundred sixty-three thousand, two hundred two".