11103227310780 has 432 divisors, whose sum is σ = 38750056974720. Its totient is φ = 2666520362880.

The previous prime is 11103227310701. The next prime is 11103227310797. The reversal of 11103227310780 is 8701372230111.

It is a happy number.

11103227310780 is a `hidden beast` number, since 1 + 1 + 10 + 322 + 7 + 310 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62834191 + ... + 63010649.

It is an arithmetic number, because the mean of its divisors is an integer number (89699205960).

Almost surely, 2^{11103227310780} is an apocalyptic number.

11103227310780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11103227310780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19375028487360).

11103227310780 is an abundant number, since it is smaller than the sum of its proper divisors (27646829663940).

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

11103227310780 is a wasteful number, since it uses less digits than its factorization.

11103227310780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176612 (or 176587 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

Adding to 11103227310780 its reverse (8701372230111), we get a palindrome (19804599540891).

The spelling of 11103227310780 in words is "eleven trillion, one hundred three billion, two hundred twenty-seven million, three hundred ten thousand, seven hundred eighty".