11130203504 has 20 divisors (see below), whose sum is σ = 24645450864. Its totient is φ = 4770087168.

The previous prime is 11130203489. The next prime is 11130203543. The reversal of 11130203504 is 40530203111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49688297 + ... + 49688520.

Almost surely, 2^11130203504 is an apocalyptic number.

11130203504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11130203504 is an abundant number, since it is smaller than the sum of its proper divisors (13515247360).

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

11130203504 is an equidigital number, since it uses as much as digits as its factorization.

11130203504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99376832 (or 99376826 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11130203504 its reverse (40530203111), we get a palindrome (51660406615).

The spelling of 11130203504 in words is "eleven billion, one hundred thirty million, two hundred three thousand, five hundred four".