11522949025 has 27 divisors (see below), whose sum is σ = 16626687219. Its totient is φ = 7898874480.

The previous prime is 11522948977. The next prime is 11522949127. The reversal of 11522949025 is 52094922511.

The square root of 11522949025 is 107345.

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., 4148261649 + 7374687376 = 64407^2 + 85876^2 .

It is not a de Polignac number, because 11522949025 - 2¹⁹ = 11522424737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3755542 + ... + 3758608.

Almost surely, 2^11522949025 is an apocalyptic number.

11522949025 is the 107345-th square number.

11522949025 is the 53673-rd centered octagonal number.

It is an amenable number.

11522949025 is a deficient number, since it is larger than the sum of its proper divisors (5103738194).

11522949025 is an frugal number, since it uses more digits than its factorization.

11522949025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 11522949025 in words is "eleven billion, five hundred twenty-two million, nine hundred forty-nine thousand, twenty-five".