11050406553211 has 4 divisors (see below), whose sum is σ = 11050442004472. Its totient is φ = 11050371101952.

The previous prime is 11050406553191. The next prime is 11050406553223. The reversal of 11050406553211 is 11235560405011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11050406553211 is a prime.

It is a super-2 number, since 2×11050406553211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11050406553311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17253885 + ... + 17882878.

It is an arithmetic number, because the mean of its divisors is an integer number (2762610501118).

Almost surely, 2^{11050406553211} is an apocalyptic number.

11050406553211 is a deficient number, since it is larger than the sum of its proper divisors (35451261).

11050406553211 is an equidigital number, since it uses as much as digits as its factorization.

11050406553211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35451260.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 11050406553211 its reverse (11235560405011), we get a palindrome (22285966958222).

The spelling of 11050406553211 in words is "eleven trillion, fifty billion, four hundred six million, five hundred fifty-three thousand, two hundred eleven".