11545002520 has 16 divisors (see below), whose sum is σ = 25976255760. Its totient is φ = 4618000992.

The previous prime is 11545002503. The next prime is 11545002571. The reversal of 11545002520 is 2520054511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144312492 + ... + 144312571.

It is an arithmetic number, because the mean of its divisors is an integer number (1623515985).

Almost surely, 2^11545002520 is an apocalyptic number.

11545002520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11545002520 is an abundant number, since it is smaller than the sum of its proper divisors (14431253240).

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

11545002520 is a wasteful number, since it uses less digits than its factorization.

11545002520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288625074 (or 288625070 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 11545002520 in words is "eleven billion, five hundred forty-five million, two thousand, five hundred twenty".