111455253211 has 16 divisors (see below), whose sum is σ = 113060263680. Its totient is φ = 109861221600.

The previous prime is 111455253209. The next prime is 111455253277. The reversal of 111455253211 is 112352554111.

It is a cyclic number.

It is not a de Polignac number, because 111455253211 - 2¹ = 111455253209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111455253911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37921380 + ... + 37924318.

It is an arithmetic number, because the mean of its divisors is an integer number (7066266480).

Almost surely, 2^111455253211 is an apocalyptic number.

111455253211 is a deficient number, since it is larger than the sum of its proper divisors (1605010469).

111455253211 is a wasteful number, since it uses less digits than its factorization.

111455253211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its digits is 6000, while the sum is 31.

The spelling of 111455253211 in words is "one hundred eleven billion, four hundred fifty-five million, two hundred fifty-three thousand, two hundred eleven".