11213959798 has 16 divisors (see below), whose sum is σ = 17812957104. Its totient is φ = 5276401920.

The previous prime is 11213959763. The next prime is 11213959873. The reversal of 11213959798 is 89795931211.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 270361 + ... + 309067.

It is an arithmetic number, because the mean of its divisors is an integer number (1113309819).

Almost surely, 2^11213959798 is an apocalyptic number.

11213959798 is a deficient number, since it is larger than the sum of its proper divisors (6598997306).

11213959798 is a wasteful number, since it uses less digits than its factorization.

11213959798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47247.

The product of its digits is 1224720, while the sum is 55.

The spelling of 11213959798 in words is "eleven billion, two hundred thirteen million, nine hundred fifty-nine thousand, seven hundred ninety-eight".