11103113131040 has 192 divisors, whose sum is σ = 30725377208064. Its totient is φ = 3712215564288.

The previous prime is 11103113131037. The next prime is 11103113131051. The reversal of 11103113131040 is 4013131130111.

It is a super-2 number, since 2×11103113131040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29527892 + ... + 29901548.

It is an arithmetic number, because the mean of its divisors is an integer number (160028006292).

Almost surely, 2^{11103113131040} is an apocalyptic number.

11103113131040 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 11103113131040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15362688604032).

11103113131040 is an abundant number, since it is smaller than the sum of its proper divisors (19622264077024).

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

11103113131040 is a wasteful number, since it uses less digits than its factorization.

11103113131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374339 (or 374331 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11103113131040 its reverse (4013131130111), we get a palindrome (15116244261151).

The spelling of 11103113131040 in words is "eleven trillion, one hundred three billion, one hundred thirteen million, one hundred thirty-one thousand, forty".