11055779398 has 16 divisors (see below), whose sum is σ = 16664155200. Its totient is φ = 5501083176.

The previous prime is 11055779377. The next prime is 11055779431. The reversal of 11055779398 is 89397755011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432153 + ... + 1439851.

It is an arithmetic number, because the mean of its divisors is an integer number (1041509700).

Almost surely, 2^11055779398 is an apocalyptic number.

11055779398 is a deficient number, since it is larger than the sum of its proper divisors (5608375802).

11055779398 is a wasteful number, since it uses less digits than its factorization.

11055779398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091.

The product of its (nonzero) digits is 2381400, while the sum is 55.

The spelling of 11055779398 in words is "eleven billion, fifty-five million, seven hundred seventy-nine thousand, three hundred ninety-eight".