1636102241225 has 12 divisors (see below), whose sum is σ = 2135543978640. Its totient is φ = 1239993277200.

The previous prime is 1636102241209. The next prime is 1636102241281. The reversal of 1636102241225 is 5221422016361.

It is not a de Polignac number, because 1636102241225 - 2⁴ = 1636102241209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722212411 + ... + 1722213360.

It is an arithmetic number, because the mean of its divisors is an integer number (177961998220).

Almost surely, 2^{1636102241225} is an apocalyptic number.

It is an amenable number.

1636102241225 is a deficient number, since it is larger than the sum of its proper divisors (499441737415).

1636102241225 is a wasteful number, since it uses less digits than its factorization.

1636102241225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444425800 (or 3444425795 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 1636102241225 its reverse (5221422016361), we get a palindrome (6857524257586).

The spelling of 1636102241225 in words is "one trillion, six hundred thirty-six billion, one hundred two million, two hundred forty-one thousand, two hundred twenty-five".