11120661155 has 8 divisors (see below), whose sum is σ = 13775270784. Its totient is φ = 8609544000.

The previous prime is 11120661137. The next prime is 11120661179. The reversal of 11120661155 is 55116602111.

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

It is not a de Polignac number, because 11120661155 - 2⁶ = 11120661091 is a prime.

It is a Duffinian 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, 35872946 + ... + 35873255.

It is an arithmetic number, because the mean of its divisors is an integer number (1721908848).

Almost surely, 2^11120661155 is an apocalyptic number.

11120661155 is a deficient number, since it is larger than the sum of its proper divisors (2654609629).

11120661155 is an equidigital number, since it uses as much as digits as its factorization.

11120661155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71746237.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 11120661155 in words is "eleven billion, one hundred twenty million, six hundred sixty-one thousand, one hundred fifty-five".