11532421005 has 16 divisors (see below), whose sum is σ = 21087855744. Its totient is φ = 5271963840.

The previous prime is 11532421003. The next prime is 11532421031. The reversal of 11532421005 is 50012423511.

It is a happy number.

It is not a de Polignac number, because 11532421005 - 2¹ = 11532421003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532421003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54916186 + ... + 54916395.

It is an arithmetic number, because the mean of its divisors is an integer number (1317990984).

Almost surely, 2^11532421005 is an apocalyptic number.

11532421005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11532421005 is a deficient number, since it is larger than the sum of its proper divisors (9555434739).

11532421005 is a wasteful number, since it uses less digits than its factorization.

11532421005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109832596.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11532421005 its reverse (50012423511), we get a palindrome (61544844516).

The spelling of 11532421005 in words is "eleven billion, five hundred thirty-two million, four hundred twenty-one thousand, five".