1111940077 has 2 divisors, whose sum is σ = 1111940078. Its totient is φ = 1111940076.

The previous prime is 1111940057. The next prime is 1111940099. The reversal of 1111940077 is 7700491111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909987556 + 201952521 = 30166^2 + 14211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111940077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111940047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555970038 + 555970039.

It is an arithmetic number, because the mean of its divisors is an integer number (555970039).

Almost surely, 2^1111940077 is an apocalyptic number.

It is an amenable number.

1111940077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111940077 is an equidigital number, since it uses as much as digits as its factorization.

1111940077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 1111940077 is about 33345.7655032839. The cubic root of 1111940077 is about 1036.0016835962.

The spelling of 1111940077 in words is "one billion, one hundred eleven million, nine hundred forty thousand, seventy-seven".