11775528033 has 16 divisors (see below), whose sum is σ = 16210747392. Its totient is φ = 7595442000.

The previous prime is 11775528029. The next prime is 11775528047. The reversal of 11775528033 is 33082557711.

It is a happy number.

It is not a de Polignac number, because 11775528033 - 2² = 11775528029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11775528053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520038 + ... + 542208.

It is an arithmetic number, because the mean of its divisors is an integer number (1013171712).

Almost surely, 2^11775528033 is an apocalyptic number.

It is an amenable number.

11775528033 is a deficient number, since it is larger than the sum of its proper divisors (4435219359).

11775528033 is a wasteful number, since it uses less digits than its factorization.

11775528033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27916.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 11775528033 in words is "eleven billion, seven hundred seventy-five million, five hundred twenty-eight thousand, thirty-three".