11213562004 has 24 divisors (see below), whose sum is σ = 19847755368. Its totient is φ = 5542901760.

The previous prime is 11213561993. The next prime is 11213562011. The reversal of 11213562004 is 40026531211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4215904900 + 6997657104 = 64930^2 + 83652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11213562004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349752 + ... + 380464.

It is an arithmetic number, because the mean of its divisors is an integer number (826989807).

Almost surely, 2^11213562004 is an apocalyptic number.

It is an amenable number.

11213562004 is a deficient number, since it is larger than the sum of its proper divisors (8634193364).

11213562004 is a wasteful number, since it uses less digits than its factorization.

11213562004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31755 (or 31753 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 11213562004 in words is "eleven billion, two hundred thirteen million, five hundred sixty-two thousand, four".