1111132044545 has 4 divisors (see below), whose sum is σ = 1333358453460. Its totient is φ = 888905635632.

The previous prime is 1111132044497. The next prime is 1111132044553. The reversal of 1111132044545 is 5454402311111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526598400241 + 584533644304 = 725671^2 + 764548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111132044545 - 2¹⁰ = 1111132043521 is a prime.

It is a super-2 number, since 2×1111132044545² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111113204450 + ... + 111113204459.

It is an arithmetic number, because the mean of its divisors is an integer number (333339613365).

Almost surely, 2^{1111132044545} is an apocalyptic number.

It is an amenable number.

1111132044545 is a deficient number, since it is larger than the sum of its proper divisors (222226408915).

1111132044545 is an equidigital number, since it uses as much as digits as its factorization.

1111132044545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222226408914.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 1111132044545 its reverse (5454402311111), we get a palindrome (6565534355656).

The spelling of 1111132044545 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, forty-four thousand, five hundred forty-five".