11528345279 has 8 divisors (see below), whose sum is σ = 12868851072. Its totient is φ = 10236585240.

The previous prime is 11528345249. The next prime is 11528345291. The reversal of 11528345279 is 97254382511.

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 11528345279 - 2¹² = 11528341183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11528345239) 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, 12185939 + ... + 12186884.

It is an arithmetic number, because the mean of its divisors is an integer number (1608606384).

Almost surely, 2^11528345279 is an apocalyptic number.

11528345279 is a deficient number, since it is larger than the sum of its proper divisors (1340505793).

11528345279 is a wasteful number, since it uses less digits than its factorization.

11528345279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24372877.

The product of its digits is 604800, while the sum is 47.

The spelling of 11528345279 in words is "eleven billion, five hundred twenty-eight million, three hundred forty-five thousand, two hundred seventy-nine".