11525817747 has 8 divisors (see below), whose sum is σ = 15395349456. Its totient is φ = 7670082272.

The previous prime is 11525817713. The next prime is 11525817749. The reversal of 11525817747 is 74771852511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11525817747 - 2⁶ = 11525817683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11525817696 and 11525817705.

It is not an unprimeable number, because it can be changed into a prime (11525817749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447108 + ... + 3450449.

It is an arithmetic number, because the mean of its divisors is an integer number (1924418682).

Almost surely, 2^11525817747 is an apocalyptic number.

11525817747 is a deficient number, since it is larger than the sum of its proper divisors (3869531709).

11525817747 is an equidigital number, since it uses as much as digits as its factorization.

11525817747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898117.

The product of its digits is 548800, while the sum is 48.

The spelling of 11525817747 in words is "eleven billion, five hundred twenty-five million, eight hundred seventeen thousand, seven hundred forty-seven".