11017651225 has 27 divisors (see below), whose sum is σ = 15897700767. Its totient is φ = 7552441680.

The previous prime is 11017651223. The next prime is 11017651243. The reversal of 11017651225 is 52215671011.

The square root of 11017651225 is 104965.

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., 3966354441 + 7051296784 = 62979^2 + 83972^2 .

It is not a de Polignac number, because 11017651225 - 2¹ = 11017651223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11017651223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3672276 + ... + 3675274.

Almost surely, 2^11017651225 is an apocalyptic number.

11017651225 is the 104965-th square number.

11017651225 is the 52483-rd centered octagonal number.

It is an amenable number.

11017651225 is a deficient number, since it is larger than the sum of its proper divisors (4880049542).

11017651225 is an frugal number, since it uses more digits than its factorization.

11017651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11017651225 in words is "eleven billion, seventeen million, six hundred fifty-one thousand, two hundred twenty-five".