11523467497369 has 4 divisors (see below), whose sum is σ = 12201318526644. Its totient is φ = 10845616468096.

The previous prime is 11523467497357. The next prime is 11523467497433. The reversal of 11523467497369 is 96379476432511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3624911366400 + 7898556130969 = 1903920^2 + 2810437^2 .

It is a cyclic number.

It is not a de Polignac number, because 11523467497369 - 2¹⁵ = 11523467464601 is a prime.

It is a super-2 number, since 2×11523467497369² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523467497309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338925514612 + ... + 338925514645.

It is an arithmetic number, because the mean of its divisors is an integer number (3050329631661).

Almost surely, 2^{11523467497369} is an apocalyptic number.

It is an amenable number.

11523467497369 is a deficient number, since it is larger than the sum of its proper divisors (677851029275).

11523467497369 is an equidigital number, since it uses as much as digits as its factorization.

11523467497369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677851029274.

The product of its digits is 205752960, while the sum is 67.

The spelling of 11523467497369 in words is "eleven trillion, five hundred twenty-three billion, four hundred sixty-seven million, four hundred ninety-seven thousand, three hundred sixty-nine".