11545145201 has 4 divisors (see below), whose sum is σ = 11545920000. Its totient is φ = 11544370404.

The previous prime is 11545145197. The next prime is 11545145231. The reversal of 11545145201 is 10254154511.

11545145201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10254154511 = 59 ⋅173799229.

It is a cyclic number.

It is not a de Polignac number, because 11545145201 - 2² = 11545145197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545145231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364601 + ... + 394998.

It is an arithmetic number, because the mean of its divisors is an integer number (2886480000).

Almost surely, 2^11545145201 is an apocalyptic number.

It is an amenable number.

11545145201 is a deficient number, since it is larger than the sum of its proper divisors (774799).

11545145201 is an equidigital number, since it uses as much as digits as its factorization.

11545145201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774798.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 11545145201 its reverse (10254154511), we get a palindrome (21799299712).

The spelling of 11545145201 in words is "eleven billion, five hundred forty-five million, one hundred forty-five thousand, two hundred one".