11256231235 has 4 divisors (see below), whose sum is σ = 13507477488. Its totient is φ = 9004984984.

The previous prime is 11256231229. The next prime is 11256231251. The reversal of 11256231235 is 53213265211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11256231235 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11256231197 and 11256231206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125623119 + ... + 1125623128.

It is an arithmetic number, because the mean of its divisors is an integer number (3376869372).

Almost surely, 2^11256231235 is an apocalyptic number.

11256231235 is a deficient number, since it is larger than the sum of its proper divisors (2251246253).

11256231235 is an equidigital number, since it uses as much as digits as its factorization.

11256231235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251246252.

The product of its digits is 10800, while the sum is 31.

Adding to 11256231235 its reverse (53213265211), we get a palindrome (64469496446).

The spelling of 11256231235 in words is "eleven billion, two hundred fifty-six million, two hundred thirty-one thousand, two hundred thirty-five".