11528134251 has 16 divisors (see below), whose sum is σ = 15664596480. Its totient is φ = 7538616800.

The previous prime is 11528134249. The next prime is 11528134279. The reversal of 11528134251 is 15243182511.

It is a cyclic number.

It is not a de Polignac number, because 11528134251 - 2¹ = 11528134249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11528134351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131940 + ... + 1142078.

It is an arithmetic number, because the mean of its divisors is an integer number (979037280).

Almost surely, 2^11528134251 is an apocalyptic number.

11528134251 is a deficient number, since it is larger than the sum of its proper divisors (4136462229).

11528134251 is a wasteful number, since it uses less digits than its factorization.

11528134251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346.

The product of its digits is 9600, while the sum is 33.

The spelling of 11528134251 in words is "eleven billion, five hundred twenty-eight million, one hundred thirty-four thousand, two hundred fifty-one".