11532212545 has 16 divisors (see below), whose sum is σ = 16648007040. Its totient is φ = 7491602304.

The previous prime is 11532212543. The next prime is 11532212551. The reversal of 11532212545 is 54521223511.

It is a cyclic number.

It is not a de Polignac number, because 11532212545 - 2¹ = 11532212543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11532212543) 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, 8670172 + ... + 8671501.

It is an arithmetic number, because the mean of its divisors is an integer number (1040500440).

Almost surely, 2^11532212545 is an apocalyptic number.

It is an amenable number.

11532212545 is a deficient number, since it is larger than the sum of its proper divisors (5115794495).

11532212545 is a wasteful number, since it uses less digits than its factorization.

11532212545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341704.

The product of its digits is 12000, while the sum is 31.

The spelling of 11532212545 in words is "eleven billion, five hundred thirty-two million, two hundred twelve thousand, five hundred forty-five".