11115661366 has 8 divisors (see below), whose sum is σ = 16674457464. Its totient is φ = 5557508880.

The previous prime is 11115661339. The next prime is 11115661367. The reversal of 11115661366 is 66316651111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115661367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115120 + ... + 188371.

It is an arithmetic number, because the mean of its divisors is an integer number (2084307183).

Almost surely, 2^11115661366 is an apocalyptic number.

11115661366 is a deficient number, since it is larger than the sum of its proper divisors (5558796098).

11115661366 is a wasteful number, since it uses less digits than its factorization.

11115661366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321806.

The product of its digits is 19440, while the sum is 37.

The spelling of 11115661366 in words is "eleven billion, one hundred fifteen million, six hundred sixty-one thousand, three hundred sixty-six".