11603230520 has 64 divisors (see below), whose sum is σ = 29862993600. Its totient is φ = 3974768640.

The previous prime is 11603230493. The next prime is 11603230523. The reversal of 11603230520 is 2503230611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603230523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313136 + ... + 348224.

It is an arithmetic number, because the mean of its divisors is an integer number (466609275).

Almost surely, 2^11603230520 is an apocalyptic number.

11603230520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11603230520 is an abundant number, since it is smaller than the sum of its proper divisors (18259763080).

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

11603230520 is a wasteful number, since it uses less digits than its factorization.

11603230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36288 (or 36284 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Subtracting from 11603230520 its reverse (2503230611), we obtain a palindrome (9099999909).

The spelling of 11603230520 in words is "eleven billion, six hundred three million, two hundred thirty thousand, five hundred twenty".