111454454111 has 64 divisors (see below), whose sum is σ = 151347710976. Its totient is φ = 79919706240.

The previous prime is 111454454099. The next prime is 111454454141.

111454454111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111454454111 - 2¹⁴ = 111454437727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111454454141) 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 63 ways as a sum of consecutive naturals, for example, 45176900 + ... + 45179366.

It is an arithmetic number, because the mean of its divisors is an integer number (2364807984).

Almost surely, 2^111454454111 is an apocalyptic number.

111454454111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111454454111 is a deficient number, since it is larger than the sum of its proper divisors (39893256865).

111454454111 is a wasteful number, since it uses less digits than its factorization.

111454454111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893 (or 2871 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

It can be divided in two parts, 111454 and 454111, that added together give a palindrome (565565).

The spelling of 111454454111 in words is "one hundred eleven billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred eleven".