11525352543 has 20 divisors (see below), whose sum is σ = 17271235080. Its totient is φ = 7659312912.

The previous prime is 11525352541. The next prime is 11525352547. The reversal of 11525352543 is 34525352511.

11525352543 is a `hidden beast` number, since 1 + 15 + 2 + 53 + 52 + 543 = 666.

It is not a de Polignac number, because 11525352543 - 2¹ = 11525352541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11525352498 and 11525352507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525352541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 198753 + ... + 250106.

It is an arithmetic number, because the mean of its divisors is an integer number (863561754).

Almost surely, 2^11525352543 is an apocalyptic number.

11525352543 is a deficient number, since it is larger than the sum of its proper divisors (5745882537).

11525352543 is an equidigital number, since it uses as much as digits as its factorization.

11525352543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449188 (or 449179 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 11525352543 in words is "eleven billion, five hundred twenty-five million, three hundred fifty-two thousand, five hundred forty-three".