11453111211 has 16 divisors (see below), whose sum is σ = 16204849920. Its totient is φ = 7179643680.

The previous prime is 11453111209. The next prime is 11453111291. The reversal of 11453111211 is 11211135411.

It is not a de Polignac number, because 11453111211 - 2¹ = 11453111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11453111291) 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, 1402600 + ... + 1410741.

It is an arithmetic number, because the mean of its divisors is an integer number (1012803120).

Almost surely, 2^11453111211 is an apocalyptic number.

11453111211 is a deficient number, since it is larger than the sum of its proper divisors (4751738709).

11453111211 is a wasteful number, since it uses less digits than its factorization.

11453111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813426.

The product of its digits is 120, while the sum is 21.

Adding to 11453111211 its reverse (11211135411), we get a palindrome (22664246622).

The spelling of 11453111211 in words is "eleven billion, four hundred fifty-three million, one hundred eleven thousand, two hundred eleven".