11645326001 has 4 divisors (see below), whose sum is σ = 11653158912. Its totient is φ = 11637493092.

The previous prime is 11645325961. The next prime is 11645326027. The reversal of 11645326001 is 10062354611.

It is a happy number.

11645326001 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.

It is a cyclic number.

It is not a de Polignac number, because 11645326001 - 2¹⁴ = 11645309617 is a prime.

It is a super-2 number, since 2×11645326001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11645326201) 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, 3914225 + ... + 3917198.

It is an arithmetic number, because the mean of its divisors is an integer number (2913289728).

Almost surely, 2^11645326001 is an apocalyptic number.

It is an amenable number.

11645326001 is a deficient number, since it is larger than the sum of its proper divisors (7832911).

11645326001 is an equidigital number, since it uses as much as digits as its factorization.

11645326001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832910.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 11645326001 in words is "eleven billion, six hundred forty-five million, three hundred twenty-six thousand, one".