11161080398 has 16 divisors (see below), whose sum is σ = 18032248080. Its totient is φ = 5150464896.

The previous prime is 11161080383. The next prime is 11161080401. The reversal of 11161080398 is 89308016111.

It is a Curzon number.

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, 156998 + ... + 216726.

It is an arithmetic number, because the mean of its divisors is an integer number (1127015505).

Almost surely, 2^11161080398 is an apocalyptic number.

11161080398 is a deficient number, since it is larger than the sum of its proper divisors (6871167682).

11161080398 is a wasteful number, since it uses less digits than its factorization.

11161080398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66931.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 11161080398 in words is "eleven billion, one hundred sixty-one million, eighty thousand, three hundred ninety-eight".