13241221545 has 16 divisors (see below), whose sum is σ = 22432187520. Its totient is φ = 6646573824.

The previous prime is 13241221531. The next prime is 13241221589. The reversal of 13241221545 is 54512214231.

It is not a de Polignac number, because 13241221545 - 2⁴ = 13241221529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25962925 + ... + 25963434.

It is an arithmetic number, because the mean of its divisors is an integer number (1402011720).

Almost surely, 2^13241221545 is an apocalyptic number.

13241221545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13241221545 is a deficient number, since it is larger than the sum of its proper divisors (9190965975).

13241221545 is a wasteful number, since it uses less digits than its factorization.

13241221545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51926384.

The product of its digits is 9600, while the sum is 30.

Adding to 13241221545 its reverse (54512214231), we get a palindrome (67753435776).

The spelling of 13241221545 in words is "thirteen billion, two hundred forty-one million, two hundred twenty-one thousand, five hundred forty-five".