41081209225 has 27 divisors (see below), whose sum is σ = 59267782791. Its totient is φ = 28165107600.

The previous prime is 41081209219. The next prime is 41081209249. The reversal of 41081209225 is 52290218014.

The square root of 41081209225 is 202685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14789235321 + 26291973904 = 121611^2 + 162148^2 .

It is not a de Polignac number, because 41081209225 - 2⁵ = 41081209193 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7091080 + ... + 7096870.

Almost surely, 2^41081209225 is an apocalyptic number.

41081209225 is the 202685-th square number.

41081209225 is the 101343-rd centered octagonal number.

It is an amenable number.

41081209225 is a deficient number, since it is larger than the sum of its proper divisors (18186573566).

41081209225 is an frugal number, since it uses more digits than its factorization.

41081209225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 41081209225 in words is "forty-one billion, eighty-one million, two hundred nine thousand, two hundred twenty-five".