11430403256 has 16 divisors (see below), whose sum is σ = 21460329240. Its totient is φ = 5707648800.

The previous prime is 11430403253. The next prime is 11430403289. The reversal of 11430403256 is 65230403411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430403253) 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, 937670 + ... + 949781.

Almost surely, 2^11430403256 is an apocalyptic number.

It is an amenable number.

11430403256 is a deficient number, since it is larger than the sum of its proper divisors (10029925984).

11430403256 is a wasteful number, since it uses less digits than its factorization.

11430403256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888214 (or 1888210 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 11430403256 its reverse (65230403411), we get a palindrome (76660806667).

The spelling of 11430403256 in words is "eleven billion, four hundred thirty million, four hundred three thousand, two hundred fifty-six".