11155045110 has 64 divisors (see below), whose sum is σ = 29269416960. Its totient is φ = 2698375680.

The previous prime is 11155045093. The next prime is 11155045133. The reversal of 11155045110 is 1154055111.

It is a super-2 number, since 2×11155045110² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 116286 + ... + 189294.

It is an arithmetic number, because the mean of its divisors is an integer number (457334640).

Almost surely, 2^11155045110 is an apocalyptic number.

11155045110 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 11155045110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14634708480).

11155045110 is an abundant number, since it is smaller than the sum of its proper divisors (18114371850).

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

11155045110 is a wasteful number, since it uses less digits than its factorization.

11155045110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73493.

The product of its (nonzero) digits is 500, while the sum is 24.

The spelling of 11155045110 in words is "eleven billion, one hundred fifty-five million, forty-five thousand, one hundred ten".