11153450321 has 8 divisors (see below), whose sum is σ = 12717961704. Its totient is φ = 9689875200.

The previous prime is 11153450317. The next prime is 11153450323. The reversal of 11153450321 is 12305435111.

It can be written as a sum of positive squares in 4 ways, for example, as 63043600 + 11090406721 = 7940^2 + 105311^2 .

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 11153450321 - 2² = 11153450317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11153450323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25233830 + ... + 25234271.

It is an arithmetic number, because the mean of its divisors is an integer number (1589745213).

Almost surely, 2^11153450321 is an apocalyptic number.

It is an amenable number.

11153450321 is a deficient number, since it is larger than the sum of its proper divisors (1564511383).

11153450321 is a wasteful number, since it uses less digits than its factorization.

11153450321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50468131.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11153450321 its reverse (12305435111), we get a palindrome (23458885432).

The spelling of 11153450321 in words is "eleven billion, one hundred fifty-three million, four hundred fifty thousand, three hundred twenty-one".