11162005555 has 8 divisors (see below), whose sum is σ = 13408646544. Its totient is φ = 8920111200.

The previous prime is 11162005553. The next prime is 11162005609. The reversal of 11162005555 is 55550026111.

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

It is not a de Polignac number, because 11162005555 - 2¹ = 11162005553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11162005553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181481 + ... + 1190890.

It is an arithmetic number, because the mean of its divisors is an integer number (1676080818).

Almost surely, 2^11162005555 is an apocalyptic number.

11162005555 is a deficient number, since it is larger than the sum of its proper divisors (2246640989).

11162005555 is an equidigital number, since it uses as much as digits as its factorization.

11162005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373317.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 11162005555 in words is "eleven billion, one hundred sixty-two million, five thousand, five hundred fifty-five".