11322231545 has 8 divisors (see below), whose sum is σ = 13610228424. Its totient is φ = 9042084864.

The previous prime is 11322231541. The next prime is 11322231553. The reversal of 11322231545 is 54513222311.

It can be written as a sum of positive squares in 4 ways, for example, as 5878595584 + 5443635961 = 76672^2 + 73781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11322231545 - 2² = 11322231541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11322231541) 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 7 ways as a sum of consecutive naturals, for example, 1959374 + ... + 1965143.

It is an arithmetic number, because the mean of its divisors is an integer number (1701278553).

Almost surely, 2^11322231545 is an apocalyptic number.

It is an amenable number.

11322231545 is a deficient number, since it is larger than the sum of its proper divisors (2287996879).

11322231545 is an equidigital number, since it uses as much as digits as its factorization.

11322231545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925099.

The product of its digits is 7200, while the sum is 29.

Adding to 11322231545 its reverse (54513222311), we get a palindrome (65835453856).

The spelling of 11322231545 in words is "eleven billion, three hundred twenty-two million, two hundred thirty-one thousand, five hundred forty-five".