25535414425406 has 8 divisors (see below), whose sum is σ = 38303703870240. Its totient is φ = 12767513135328.

The previous prime is 25535414425403. The next prime is 25535414425427. The reversal of 25535414425406 is 60452441453552.

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 (25535414425403) 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, 96874166 + ... + 97137401.

It is an arithmetic number, because the mean of its divisors is an integer number (4787962983780).

Almost surely, 2^{25535414425406} is an apocalyptic number.

25535414425406 is a deficient number, since it is larger than the sum of its proper divisors (12768289444834).

25535414425406 is a wasteful number, since it uses less digits than its factorization.

25535414425406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194077378.

The product of its (nonzero) digits is 11520000, while the sum is 50.

Adding to 25535414425406 its reverse (60452441453552), we get a palindrome (85987855878958).

The spelling of 25535414425406 in words is "twenty-five trillion, five hundred thirty-five billion, four hundred fourteen million, four hundred twenty-five thousand, four hundred six".