111455245321 has 16 divisors (see below), whose sum is σ = 129973901184. Its totient is φ = 93591074304.

The previous prime is 111455245289. The next prime is 111455245337. The reversal of 111455245321 is 123542554111.

It is not a de Polignac number, because 111455245321 - 2⁵ = 111455245289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111455245361) 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, 26490 + ... + 472876.

It is an arithmetic number, because the mean of its divisors is an integer number (8123368824).

Almost surely, 2^111455245321 is an apocalyptic number.

It is an amenable number.

111455245321 is a deficient number, since it is larger than the sum of its proper divisors (18518655863).

111455245321 is an equidigital number, since it uses as much as digits as its factorization.

111455245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447120.

The product of its digits is 24000, while the sum is 34.

Adding to 111455245321 its reverse (123542554111), we get a palindrome (234997799432).

The spelling of 111455245321 in words is "one hundred eleven billion, four hundred fifty-five million, two hundred forty-five thousand, three hundred twenty-one".