1100011994 has 4 divisors (see below), whose sum is σ = 1650017994. Its totient is φ = 550005996.

The previous prime is 1100011993. The next prime is 1100011999. The reversal of 1100011994 is 4991100011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4991100011 = 10271 ⋅485941.

It can be written as a sum of positive squares in only one way, i.e., 942183025 + 157828969 = 30695^2 + 12563^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100011993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275002997 + ... + 275003000.

Almost surely, 2^1100011994 is an apocalyptic number.

1100011994 is a deficient number, since it is larger than the sum of its proper divisors (550006000).

1100011994 is an equidigital number, since it uses as much as digits as its factorization.

1100011994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550005999.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1100011994 is about 33166.4287194145. The cubic root of 1100011994 is about 1032.2838673117.

The spelling of 1100011994 in words is "one billion, one hundred million, eleven thousand, nine hundred ninety-four".