11053210638 has 16 divisors (see below), whose sum is σ = 22313024640. Its totient is φ = 3649969656.

The previous prime is 11053210591. The next prime is 11053210657. The reversal of 11053210638 is 83601235011.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8607778 + ... + 8609061.

It is an arithmetic number, because the mean of its divisors is an integer number (1394564040).

Almost surely, 2^11053210638 is an apocalyptic number.

11053210638 is an abundant number, since it is smaller than the sum of its proper divisors (11259814002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11053210638 is a wasteful number, since it uses less digits than its factorization.

11053210638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216951.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 11053210638 its reverse (83601235011), we get a palindrome (94654445649).

The spelling of 11053210638 in words is "eleven billion, fifty-three million, two hundred ten thousand, six hundred thirty-eight".