11123215503000 has 128 divisors (see below), whose sum is σ = 34716024757440. Its totient is φ = 2965200000000.

The previous prime is 11123215502969. The next prime is 11123215503011. The reversal of 11123215503000 is 30551232111.

11123215503000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 8385250 + ... + 9620750.

Almost surely, 2^{11123215503000} is an apocalyptic number.

11123215503000 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 11123215503000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17358012378720).

11123215503000 is an abundant number, since it is smaller than the sum of its proper divisors (23592809254440).

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

11123215503000 is a wasteful number, since it uses less digits than its factorization.

11123215503000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238526 (or 1238512 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11123215503000 its reverse (30551232111), we get a palindrome (11153766735111).

The spelling of 11123215503000 in words is "eleven trillion, one hundred twenty-three billion, two hundred fifteen million, five hundred three thousand".