1111105511616 has 28 divisors (see below), whose sum is σ = 2939799999992. Its totient is φ = 370368503808.

The previous prime is 1111105511561. The next prime is 1111105511701. The reversal of 1111105511616 is 6161155011111.

It is a happy number.

It is a super-2 number, since 2×1111105511616² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2893503745 + ... + 2893504128.

Almost surely, 2^{1111105511616} is an apocalyptic number.

1111105511616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1111105511616 is an abundant number, since it is smaller than the sum of its proper divisors (1828694488376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111105511616 is an equidigital number, since it uses as much as digits as its factorization.

1111105511616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787007888 (or 5787007878 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 30.

The spelling of 1111105511616 in words is "one trillion, one hundred eleven billion, one hundred five million, five hundred eleven thousand, six hundred sixteen".