11100556110 has 128 divisors (see below), whose sum is σ = 31322603520. Its totient is φ = 2464556544.

The previous prime is 11100556097. The next prime is 11100556127. The reversal of 11100556110 is 1165500111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8678451 + ... + 8679729.

It is an arithmetic number, because the mean of its divisors is an integer number (244707840).

Almost surely, 2^11100556110 is an apocalyptic number.

11100556110 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 11100556110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15661301760).

11100556110 is an abundant number, since it is smaller than the sum of its proper divisors (20222047410).

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

11100556110 is a wasteful number, since it uses less digits than its factorization.

11100556110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 11100556110 in words is "eleven billion, one hundred million, five hundred fifty-six thousand, one hundred ten".