11523462241345 has 16 divisors (see below), whose sum is σ = 13929517235088. Its totient is φ = 9151377649920.

The previous prime is 11523462241321. The next prime is 11523462241349. The reversal of 11523462241345 is 54314226432511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 950065432369 + 10573396808976 = 974713^2 + 3251676^2 .

It is not a de Polignac number, because 11523462241345 - 2⁷ = 11523462241217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523462241349) 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 15 ways as a sum of consecutive naturals, for example, 10925994 + ... + 11934163.

It is an arithmetic number, because the mean of its divisors is an integer number (870594827193).

Almost surely, 2^{11523462241345} is an apocalyptic number.

It is an amenable number.

11523462241345 is a deficient number, since it is larger than the sum of its proper divisors (2406054993743).

11523462241345 is a wasteful number, since it uses less digits than its factorization.

11523462241345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22860900.

The product of its digits is 691200, while the sum is 43.

Adding to 11523462241345 its reverse (54314226432511), we get a palindrome (65837688673856).

The spelling of 11523462241345 in words is "eleven trillion, five hundred twenty-three billion, four hundred sixty-two million, two hundred forty-one thousand, three hundred forty-five".