1111111110993 has 32 divisors (see below), whose sum is σ = 1647019601920. Its totient is φ = 661658829120.

The previous prime is 1111111110971. The next prime is 1111111111049. The reversal of 1111111110993 is 3990111111111.

It is not a de Polignac number, because 1111111110993 - 2²⁰ = 1111110062417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111111110993.

It is not an unprimeable number, because it can be changed into a prime (1111111110913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28439130 + ... + 28478172.

It is an arithmetic number, because the mean of its divisors is an integer number (51469362560).

Almost surely, 2^{1111111110993} is an apocalyptic number.

1111111110993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111111110993 is a deficient number, since it is larger than the sum of its proper divisors (535908490927).

1111111110993 is a wasteful number, since it uses less digits than its factorization.

1111111110993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62629.

The product of its (nonzero) digits is 243, while the sum is 30.

The spelling of 1111111110993 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, nine hundred ninety-three".