11256213046 has 32 divisors (see below), whose sum is σ = 18365608800. Its totient is φ = 5143267584.

The previous prime is 11256213019. The next prime is 11256213047. The reversal of 11256213046 is 64031265211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11256212999 and 11256213017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256213047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1207921 + ... + 1217203.

It is an arithmetic number, because the mean of its divisors is an integer number (573925275).

Almost surely, 2^11256213046 is an apocalyptic number.

11256213046 is a deficient number, since it is larger than the sum of its proper divisors (7109395754).

11256213046 is a wasteful number, since it uses less digits than its factorization.

11256213046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9760.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11256213046 its reverse (64031265211), we get a palindrome (75287478257).

The spelling of 11256213046 in words is "eleven billion, two hundred fifty-six million, two hundred thirteen thousand, forty-six".