11420025321 has 16 divisors (see below), whose sum is σ = 15641985600. Its totient is φ = 7405806528.

The previous prime is 11420025307. The next prime is 11420025329. The reversal of 11420025321 is 12352002411.

It is not a de Polignac number, because 11420025321 - 2⁵ = 11420025289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11420025329) 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, 579610 + ... + 598988.

It is an arithmetic number, because the mean of its divisors is an integer number (977624100).

Almost surely, 2^11420025321 is an apocalyptic number.

It is an amenable number.

11420025321 is a deficient number, since it is larger than the sum of its proper divisors (4221960279).

11420025321 is a wasteful number, since it uses less digits than its factorization.

11420025321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24728.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11420025321 its reverse (12352002411), we get a palindrome (23772027732).

The spelling of 11420025321 in words is "eleven billion, four hundred twenty million, twenty-five thousand, three hundred twenty-one".