11328167521 has 8 divisors (see below), whose sum is σ = 12527289504. Its totient is φ = 10157260320.

The previous prime is 11328167503. The next prime is 11328167531. The reversal of 11328167521 is 12576182311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11328167521 - 2⁵ = 11328167489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11328167531) 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, 7052851 + ... + 7054456.

It is an arithmetic number, because the mean of its divisors is an integer number (1565911188).

Almost surely, 2^11328167521 is an apocalyptic number.

11328167521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11328167521 is a deficient number, since it is larger than the sum of its proper divisors (1199121983).

11328167521 is a wasteful number, since it uses less digits than its factorization.

11328167521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107391.

The product of its digits is 20160, while the sum is 37.

The spelling of 11328167521 in words is "eleven billion, three hundred twenty-eight million, one hundred sixty-seven thousand, five hundred twenty-one".