11351521504 has 24 divisors (see below), whose sum is σ = 23118941160. Its totient is φ = 5480044416.

The previous prime is 11351521501. The next prime is 11351521543. The reversal of 11351521504 is 40512515311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351521501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115194 + ... + 6117049.

It is an arithmetic number, because the mean of its divisors is an integer number (963289215).

Almost surely, 2^11351521504 is an apocalyptic number.

It is an amenable number.

11351521504 is an abundant number, since it is smaller than the sum of its proper divisors (11767419656).

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

11351521504 is a wasteful number, since it uses less digits than its factorization.

11351521504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232282 (or 12232274 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11351521504 in words is "eleven billion, three hundred fifty-one million, five hundred twenty-one thousand, five hundred four".