11630544025 has 9 divisors (see below), whose sum is σ = 14422543261. Its totient is φ = 9304003840.

The previous prime is 11630544019. The next prime is 11630544041. The reversal of 11630544025 is 52044503611.

It is a happy number.

The square root of 11630544025 is 107845.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5559640969 + 6070903056 = 74563^2 + 77916^2 .

It is not a de Polignac number, because 11630544025 - 2³ = 11630544017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 528441 + ... + 550009.

Almost surely, 2^11630544025 is an apocalyptic number.

11630544025 is the 107845-th square number.

11630544025 is the 53923-rd centered octagonal number.

It is an amenable number.

11630544025 is a deficient number, since it is larger than the sum of its proper divisors (2791999236).

11630544025 is an frugal number, since it uses more digits than its factorization.

11630544025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43148 (or 21574 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Multiplying 11630544025 by its product of nonzero digits (14400), we get a square (167479833960000 = 12941400²).

The spelling of 11630544025 in words is "eleven billion, six hundred thirty million, five hundred forty-four thousand, twenty-five".