11532644467 has 4 divisors (see below), whose sum is σ = 12211035336. Its totient is φ = 10854253600.

The previous prime is 11532644449. The next prime is 11532644477. The reversal of 11532644467 is 76444623511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76444623511 = 53 ⋅1442351387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11532644467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11532644437) 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, 339195409 + ... + 339195442.

It is an arithmetic number, because the mean of its divisors is an integer number (3052758834).

Almost surely, 2^11532644467 is an apocalyptic number.

11532644467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11532644467 is a deficient number, since it is larger than the sum of its proper divisors (678390869).

11532644467 is an equidigital number, since it uses as much as digits as its factorization.

11532644467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678390868.

The product of its digits is 483840, while the sum is 43.

The spelling of 11532644467 in words is "eleven billion, five hundred thirty-two million, six hundred forty-four thousand, four hundred sixty-seven".