11405222013 has 8 divisors (see below), whose sum is σ = 15210518848. Its totient is φ = 7601703264.

The previous prime is 11405222011. The next prime is 11405222029. The reversal of 11405222013 is 31022250411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11405222013 - 2¹ = 11405222011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405222011) 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, 429481 + ... + 455262.

It is an arithmetic number, because the mean of its divisors is an integer number (1901314856).

Almost surely, 2^11405222013 is an apocalyptic number.

It is an amenable number.

11405222013 is a deficient number, since it is larger than the sum of its proper divisors (3805296835).

11405222013 is an equidigital number, since it uses as much as digits as its factorization.

11405222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889043.

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

Adding to 11405222013 its reverse (31022250411), we get a palindrome (42427472424).

The spelling of 11405222013 in words is "eleven billion, four hundred five million, two hundred twenty-two thousand, thirteen".