11527365145 has 4 divisors (see below), whose sum is σ = 13832838180. Its totient is φ = 9221892112.

The previous prime is 11527365119. The next prime is 11527365149. The reversal of 11527365145 is 54156372511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54156372511 = 80917 ⋅669283.

It can be written as a sum of positive squares in 2 ways, for example, as 1311815961 + 10215549184 = 36219^2 + 101072^2 .

It is a cyclic number.

It is not a de Polignac number, because 11527365145 - 2³³ = 2937430553 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11527365098 and 11527365107.

It is not an unprimeable number, because it can be changed into a prime (11527365149) 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, 1152736510 + ... + 1152736519.

It is an arithmetic number, because the mean of its divisors is an integer number (3458209545).

Almost surely, 2^11527365145 is an apocalyptic number.

It is an amenable number.

11527365145 is a deficient number, since it is larger than the sum of its proper divisors (2305473035).

11527365145 is an equidigital number, since it uses as much as digits as its factorization.

11527365145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305473034.

The product of its digits is 126000, while the sum is 40.

The spelling of 11527365145 in words is "eleven billion, five hundred twenty-seven million, three hundred sixty-five thousand, one hundred forty-five".