11003231100 has 72 divisors (see below), whose sum is σ = 32513419008. Its totient is φ = 2871761600.

The previous prime is 11003231093. The next prime is 11003231101. The reversal of 11003231100 is 113230011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003231101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376086 + ... + 404285.

It is an arithmetic number, because the mean of its divisors is an integer number (451575264).

Almost surely, 2^11003231100 is an apocalyptic number.

11003231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003231100 is an abundant number, since it is smaller than the sum of its proper divisors (21510187908).

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

11003231100 is a wasteful number, since it uses less digits than its factorization.

11003231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780435 (or 780428 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11003231100 its reverse (113230011), we get a palindrome (11116461111).

The spelling of 11003231100 in words is "eleven billion, three million, two hundred thirty-one thousand, one hundred".