11505325120 has 56 divisors (see below), whose sum is σ = 28280855808. Its totient is φ = 4453670400.

The previous prime is 11505325099. The next prime is 11505325129. The reversal of 11505325120 is 2152350511.

It is a super-2 number, since 2×11505325120² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11505325129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569986 + ... + 589825.

Almost surely, 2^11505325120 is an apocalyptic number.

11505325120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11505325120 is an abundant number, since it is smaller than the sum of its proper divisors (16775530688).

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

11505325120 is a wasteful number, since it uses less digits than its factorization.

11505325120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159859 (or 1159849 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 11505325120 its reverse (2152350511), we get a palindrome (13657675631).

The spelling of 11505325120 in words is "eleven billion, five hundred five million, three hundred twenty-five thousand, one hundred twenty".