11528203911167 has 4 divisors (see below), whose sum is σ = 11528229293856. Its totient is φ = 11528178528480.

The previous prime is 11528203911137. The next prime is 11528203911221. The reversal of 11528203911167 is 76111930282511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11528203911167 - 2³⁸ = 11253326004223 is a prime.

It is a super-2 number, since 2×11528203911167² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11528203911137) 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, 11997434 + ... + 12922647.

It is an arithmetic number, because the mean of its divisors is an integer number (2882057323464).

Almost surely, 2^{11528203911167} is an apocalyptic number.

11528203911167 is a deficient number, since it is larger than the sum of its proper divisors (25382689).

11528203911167 is an equidigital number, since it uses as much as digits as its factorization.

11528203911167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25382688.

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 11528203911167 in words is "eleven trillion, five hundred twenty-eight billion, two hundred three million, nine hundred eleven thousand, one hundred sixty-seven".