1109031165810 has 96 divisors (see below), whose sum is σ = 2902847311728. Its totient is φ = 293759239680.

The previous prime is 1109031165799. The next prime is 1109031165811. The reversal of 1109031165810 is 185611309011.

It can be written as a sum of positive squares in 8 ways, for example, as 197351843049 + 911679322761 = 444243^2 + 954819^2 .

It is a super-2 number, since 2×1109031165810² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1109031165811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13855464 + ... + 13935276.

Almost surely, 2^{1109031165810} is an apocalyptic number.

1109031165810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109031165810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451423655864).

1109031165810 is an abundant number, since it is smaller than the sum of its proper divisors (1793816145918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109031165810 is a wasteful number, since it uses less digits than its factorization.

1109031165810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80860 (or 80857 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 1109031165810 in words is "one trillion, one hundred nine billion, thirty-one million, one hundred sixty-five thousand, eight hundred ten".