11552524530261 has 48 divisors (see below), whose sum is σ = 18269608065408. Its totient is φ = 6450100652160.

The previous prime is 11552524530247. The next prime is 11552524530263. The reversal of 11552524530261 is 16203542525511.

It is a happy number.

It is not a de Polignac number, because 11552524530261 - 2⁷ = 11552524530133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552524530263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59830 + ... + 4807143.

It is an arithmetic number, because the mean of its divisors is an integer number (380616834696).

Almost surely, 2^{11552524530261} is an apocalyptic number.

11552524530261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11552524530261 is a deficient number, since it is larger than the sum of its proper divisors (6717083535147).

11552524530261 is a wasteful number, since it uses less digits than its factorization.

11552524530261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867514 (or 4867503 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 11552524530261 in words is "eleven trillion, five hundred fifty-two billion, five hundred twenty-four million, five hundred thirty thousand, two hundred sixty-one".