11890090633 has 4 divisors (see below), whose sum is σ = 11995312788. Its totient is φ = 11784868480.

The previous prime is 11890090631. The next prime is 11890090673. The reversal of 11890090633 is 33609009811.

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 3999677049 + 7890413584 = 63243^2 + 88828^2 .

It is a cyclic number.

It is not a de Polignac number, because 11890090633 - 2¹ = 11890090631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11890090631) 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, 52610908 + ... + 52611133.

It is an arithmetic number, because the mean of its divisors is an integer number (2998828197).

Almost surely, 2^11890090633 is an apocalyptic number.

It is an amenable number.

11890090633 is a deficient number, since it is larger than the sum of its proper divisors (105222155).

11890090633 is a wasteful number, since it uses less digits than its factorization.

11890090633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105222154.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 11890090633 in words is "eleven billion, eight hundred ninety million, ninety thousand, six hundred thirty-three".