11003103000 has 96 divisors (see below), whose sum is σ = 37190518560. Its totient is φ = 2934158400.

The previous prime is 11003102959. The next prime is 11003103011. The reversal of 11003103000 is 30130011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602284 + ... + 620283.

It is an arithmetic number, because the mean of its divisors is an integer number (387401235).

Almost surely, 2^11003103000 is an apocalyptic number.

11003103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003103000 is an abundant number, since it is smaller than the sum of its proper divisors (26187415560).

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

11003103000 is a wasteful number, since it uses less digits than its factorization.

11003103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222594 (or 1222577 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 11003103000 its reverse (30130011), we get a palindrome (11033233011).

It can be divided in two parts, 11003 and 103000, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 11003103000 in words is "eleven billion, three million, one hundred three thousand".