11553521052548 has 48 divisors (see below), whose sum is σ = 21782076201648. Its totient is φ = 5342135808000.

The previous prime is 11553521052547. The next prime is 11553521052553. The reversal of 11553521052548 is 84525012535511.

It can be written as a sum of positive squares in 8 ways, for example, as 1993749648004 + 9559771404544 = 1412002^2 + 3091888^2 .

It is not an unprimeable number, because it can be changed into a prime (11553521052547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2423288 + ... + 5383248.

It is an arithmetic number, because the mean of its divisors is an integer number (453793254201).

Almost surely, 2^{11553521052548} is an apocalyptic number.

It is an amenable number.

11553521052548 is a deficient number, since it is larger than the sum of its proper divisors (10228555149100).

11553521052548 is a wasteful number, since it uses less digits than its factorization.

11553521052548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960984 (or 2960982 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 47.

The spelling of 11553521052548 in words is "eleven trillion, five hundred fifty-three billion, five hundred twenty-one million, fifty-two thousand, five hundred forty-eight".