1108531511045 has 16 divisors (see below), whose sum is σ = 1541097431040. Its totient is φ = 749723071104.

The previous prime is 1108531511039. The next prime is 1108531511047. The reversal of 1108531511045 is 5401151358011.

It is not a de Polignac number, because 1108531511045 - 2³⁰ = 1107457769221 is a prime.

It is a super-2 number, since 2×1108531511045² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 1108531510996 and 1108531511014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108531511047) 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, 216931205 + ... + 216936314.

It is an arithmetic number, because the mean of its divisors is an integer number (96318589440).

Almost surely, 2^{1108531511045} is an apocalyptic number.

It is an amenable number.

1108531511045 is a deficient number, since it is larger than the sum of its proper divisors (432565919995).

1108531511045 is an equidigital number, since it uses as much as digits as its factorization.

1108531511045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433867604.

The product of its (nonzero) digits is 12000, while the sum is 35.

Adding to 1108531511045 its reverse (5401151358011), we get a palindrome (6509682869056).

The spelling of 1108531511045 in words is "one trillion, one hundred eight billion, five hundred thirty-one million, five hundred eleven thousand, forty-five".