11528261256265 has 32 divisors (see below), whose sum is σ = 15782055851520. Its totient is φ = 8013745269504.

The previous prime is 11528261256263. The next prime is 11528261256271. The reversal of 11528261256265 is 56265216282511.

It is not a de Polignac number, because 11528261256265 - 2¹ = 11528261256263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11528261256263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29534209 + ... + 29921998.

It is an arithmetic number, because the mean of its divisors is an integer number (493189245360).

Almost surely, 2^{11528261256265} is an apocalyptic number.

It is an amenable number.

11528261256265 is a deficient number, since it is larger than the sum of its proper divisors (4253794595255).

11528261256265 is a wasteful number, since it uses less digits than its factorization.

11528261256265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59456401.

The product of its digits is 3456000, while the sum is 52.

The spelling of 11528261256265 in words is "eleven trillion, five hundred twenty-eight billion, two hundred sixty-one million, two hundred fifty-six thousand, two hundred sixty-five".