11152305221321 has 16 divisors (see below), whose sum is σ = 12181213066176. Its totient is φ = 10125910080000.

The previous prime is 11152305221287. The next prime is 11152305221381. The reversal of 11152305221321 is 12312250325111.

It is a de Polignac number, because none of the positive numbers 2^k-11152305221321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11152305221381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103552661 + ... + 103660301.

It is an arithmetic number, because the mean of its divisors is an integer number (761325816636).

Almost surely, 2^{11152305221321} is an apocalyptic number.

11152305221321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11152305221321 is a deficient number, since it is larger than the sum of its proper divisors (1028907844855).

11152305221321 is a wasteful number, since it uses less digits than its factorization.

11152305221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119224.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11152305221321 its reverse (12312250325111), we get a palindrome (23464555546432).

The spelling of 11152305221321 in words is "eleven trillion, one hundred fifty-two billion, three hundred five million, two hundred twenty-one thousand, three hundred twenty-one".