11520504124949 has 2 divisors, whose sum is σ = 11520504124950. Its totient is φ = 11520504124948.

The previous prime is 11520504124891. The next prime is 11520504125017. The reversal of 11520504124949 is 94942140502511.

11520504124949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9249244140049 + 2271259984900 = 3041257^2 + 1507070^2 .

It is an emirp because it is prime and its reverse (94942140502511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11520504124949 - 2²⁰ = 11520503076373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520504129949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760252062474 + 5760252062475.

It is an arithmetic number, because the mean of its divisors is an integer number (5760252062475).

Almost surely, 2^{11520504124949} is an apocalyptic number.

It is an amenable number.

11520504124949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520504124949 is an equidigital number, since it uses as much as digits as its factorization.

11520504124949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 11520504124949 in words is "eleven trillion, five hundred twenty billion, five hundred four million, one hundred twenty-four thousand, nine hundred forty-nine".