11400020433 has 10 divisors (see below), whose sum is σ = 17029660274. Its totient is φ = 7600013568.

The previous prime is 11400020393. The next prime is 11400020477. The reversal of 11400020433 is 33402000411.

It can be written as a sum of positive squares in only one way, i.e., 11339694144 + 60326289 = 106488^2 + 7767^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11400020433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400020483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70370416 + ... + 70370577.

Almost surely, 2^11400020433 is an apocalyptic number.

It is an amenable number.

11400020433 is a deficient number, since it is larger than the sum of its proper divisors (5629639841).

11400020433 is an equidigital number, since it uses as much as digits as its factorization.

11400020433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140741005 (or 140740996 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11400020433 its reverse (33402000411), we get a palindrome (44802020844).

The spelling of 11400020433 in words is "eleven billion, four hundred million, twenty thousand, four hundred thirty-three".