11520225544 has 8 divisors (see below), whose sum is σ = 21600422910. Its totient is φ = 5760112768.

The previous prime is 11520225517. The next prime is 11520225569. The reversal of 11520225544 is 44552202511.

It can be written as a sum of positive squares in only one way, i.e., 11183062500 + 337163044 = 105750^2 + 18362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×11520225544³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720014089 + ... + 720014104.

Almost surely, 2^11520225544 is an apocalyptic number.

It is an amenable number.

11520225544 is a deficient number, since it is larger than the sum of its proper divisors (10080197366).

11520225544 is a wasteful number, since it uses less digits than its factorization.

11520225544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440028199 (or 1440028195 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 11520225544 in words is "eleven billion, five hundred twenty million, two hundred twenty-five thousand, five hundred forty-four".