11290860533 has 4 divisors (see below), whose sum is σ = 11295080940. Its totient is φ = 11286640128.

The previous prime is 11290860521. The next prime is 11290860571. The reversal of 11290860533 is 33506809211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218980804 + 11071879729 = 14798^2 + 105223^2 .

It is a cyclic number.

It is not a de Polignac number, because 11290860533 - 2¹⁰ = 11290859509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290860583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106188 + ... + 2111541.

It is an arithmetic number, because the mean of its divisors is an integer number (2823770235).

Almost surely, 2^11290860533 is an apocalyptic number.

It is an amenable number.

11290860533 is a deficient number, since it is larger than the sum of its proper divisors (4220407).

11290860533 is an equidigital number, since it uses as much as digits as its factorization.

11290860533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220406.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 11290860533 in words is "eleven billion, two hundred ninety million, eight hundred sixty thousand, five hundred thirty-three".