11520504241409 has 16 divisors (see below), whose sum is σ = 11846499275520. Its totient is φ = 11199052656000.

The previous prime is 11520504241391. The next prime is 11520504241423. The reversal of 11520504241409 is 90414240502511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11520504241409 - 2¹² = 11520504237313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520504241429) 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, 11071304 + ... + 12067094.

It is an arithmetic number, because the mean of its divisors is an integer number (740406204720).

Almost surely, 2^{11520504241409} is an apocalyptic number.

It is an amenable number.

11520504241409 is a deficient number, since it is larger than the sum of its proper divisors (325995034111).

11520504241409 is an equidigital number, since it uses as much as digits as its factorization.

11520504241409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998072.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 11520504241409 in words is "eleven trillion, five hundred twenty billion, five hundred four million, two hundred forty-one thousand, four hundred nine".