11040032100 has 72 divisors (see below), whose sum is σ = 32622162048. Its totient is φ = 2881366400.

The previous prime is 11040032089. The next prime is 11040032111. The reversal of 11040032100 is 123004011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11040032089) and next prime (11040032111).

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

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, 377391 + ... + 405590.

It is an arithmetic number, because the mean of its divisors is an integer number (453085584).

Almost surely, 2^11040032100 is an apocalyptic number.

11040032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040032100 is an abundant number, since it is smaller than the sum of its proper divisors (21582129948).

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

11040032100 is a wasteful number, since it uses less digits than its factorization.

11040032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783045 (or 783038 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11040032100 its reverse (123004011), we get a palindrome (11163036111).

The spelling of 11040032100 in words is "eleven billion, forty million, thirty-two thousand, one hundred".