11545033833 has 12 divisors (see below), whose sum is σ = 16823738100. Its totient is φ = 7628576256.

The previous prime is 11545033807. The next prime is 11545033847. The reversal of 11545033833 is 33833054511.

11545033833 is a `hidden beast` number, since 1 + 1 + 545 + 0 + 33 + 83 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5099673744 + 6445360089 = 71412^2 + 80283^2 .

It is not a de Polignac number, because 11545033833 - 2¹³ = 11545025641 is a prime.

It is a super-2 number, since 2×11545033833² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11545033853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5675008 + ... + 5677041.

It is an arithmetic number, because the mean of its divisors is an integer number (1401978175).

Almost surely, 2^11545033833 is an apocalyptic number.

It is an amenable number.

11545033833 is a deficient number, since it is larger than the sum of its proper divisors (5278704267).

11545033833 is a wasteful number, since it uses less digits than its factorization.

11545033833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352168 (or 11352165 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 11545033833 in words is "eleven billion, five hundred forty-five million, thirty-three thousand, eight hundred thirty-three".