111401453045 has 4 divisors (see below), whose sum is σ = 133681743660. Its totient is φ = 89121162432.

The previous prime is 111401452949. The next prime is 111401453099. The reversal of 111401453045 is 540354104111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540354104111 = 569 ⋅949655719.

It can be written as a sum of positive squares in 2 ways, for example, as 18396581956 + 93004871089 = 135634^2 + 304967^2 .

It is a cyclic number.

It is not a de Polignac number, because 111401453045 - 2²⁶ = 111334344181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111401452999 and 111401453017.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11140145300 + ... + 11140145309.

It is an arithmetic number, because the mean of its divisors is an integer number (33420435915).

Almost surely, 2^111401453045 is an apocalyptic number.

It is an amenable number.

111401453045 is a deficient number, since it is larger than the sum of its proper divisors (22280290615).

111401453045 is an equidigital number, since it uses as much as digits as its factorization.

111401453045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22280290614.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 111401453045 its reverse (540354104111), we get a palindrome (651755557156).

The spelling of 111401453045 in words is "one hundred eleven billion, four hundred one million, four hundred fifty-three thousand, forty-five".