11413221452 has 12 divisors (see below), whose sum is σ = 19990319496. Its totient is φ = 5701701600.

The previous prime is 11413221389. The next prime is 11413221461. The reversal of 11413221452 is 25412231411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222049 + ... + 1231352.

It is an arithmetic number, because the mean of its divisors is an integer number (1665859958).

Almost surely, 2^11413221452 is an apocalyptic number.

It is an amenable number.

11413221452 is a deficient number, since it is larger than the sum of its proper divisors (8577098044).

11413221452 is a wasteful number, since it uses less digits than its factorization.

11413221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454568 (or 2454566 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

Adding to 11413221452 its reverse (25412231411), we get a palindrome (36825452863).

The spelling of 11413221452 in words is "eleven billion, four hundred thirteen million, two hundred twenty-one thousand, four hundred fifty-two".