11372509520 has 40 divisors (see below), whose sum is σ = 26482325856. Its totient is φ = 4541908608.

The previous prime is 11372509517. The next prime is 11372509537. The reversal of 11372509520 is 2590527311.

11372509520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59102 + ... + 161981.

Almost surely, 2^11372509520 is an apocalyptic number.

11372509520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11372509520 is an abundant number, since it is smaller than the sum of its proper divisors (15109816336).

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

11372509520 is a wasteful number, since it uses less digits than its factorization.

11372509520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221739 (or 221733 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 11372509520 in words is "eleven billion, three hundred seventy-two million, five hundred nine thousand, five hundred twenty".